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Florida Red Tide and other Harmful Algal Blooms (HABs), 100 8th Avenue SE, Saint Petersburg, FL (2026)

06/19/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in two samples collected offshore of Southwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was observed at background concentrations in one sample each from offshore of Pinellas and Hillsborough counties.
• In Northwest Florida over the past week, K. brevis was not observed.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts by the USF-FWC Collaboration for Prediction of Red Tides for Pinellas to northern Monroe counties predict net northern movement of surface waters in most areas and variable transport of subsurface waters.

The next status report will be issued on Friday, June 26.

View our Social Media Policy: https://bit.ly/3qsncNb
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A map of Florida showing locations of water samples collected June 11 through 18, and analyzed over the past week, as detailed in the Red Tide Status Report dated June 19 on our Red Tide Current Status page.

06/12/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in two samples from offshore of Northwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was not observed.
• In Northwest Florida over the past week, K. brevis was observed at background concentrations in two samples collected offshore of Taylor County.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict variable movement of surface waters and net southern to southeastern transport of subsurface waters from Pinellas to Lee counties.

The next status report will be issued on Friday, June 19.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected June 4 through 11, and analyzed over the past week, as detailed in the Red Tide Status Report dated June 12 on our Red Tide Current Status page.

06/05/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in one sample from Southwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was observed at background concentrations in one sample from Pinellas County.
• In Northwest Florida over the past week, K. brevis was not observed.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict net northwestern movement of surface waters in most areas and variable transport of subsurface waters from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, June 12.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected May 28 to June 4, and analyzed over the past week, as detailed in the Red Tide Status Report dated June 5 on our Red Tide Current Status page.

05/29/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in three samples from Southwest Florida and one sample from Northwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was observed at background concentrations in two samples collected offshore of Sarasota County and one sample collected offshore of Monroe County.
• In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample from Bay County.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict net northwestern to northern movement of surface waters and minimal net transport of subsurface waters in most areas from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, June 5.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected May 21 to 28, and analyzed over the past week, as detailed in the Red Tide Status Report dated May 29 on our Red Tide Current Status page.

05/22/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in one sample from Northwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was not observed.
• In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample from Bay County.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida.
For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict variable movement of surface waters and net southeastern transport of subsurface waters in most areas from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, May 29.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected May 14 to 21, and analyzed over the past week, as detailed in the Red Tide Status Report dated May 22 on our Red Tide Current Status page.

05/15/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in two samples from Northwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.
Additional details follow.

- In Southwest Florida over the past week, K. brevis was not observed.
- In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample each from Escambia and Bay counties.
- Along the Florida East Coast over the past week, K. brevis was not observed.

No fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory irritation suspected to be related to red tide was not reported over the past week. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict net southern movement of surface and subsurface waters from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, May 22.

View our Social Media Policy: https://bit.ly/3qsncNb
____________________________________________
A map of Florida showing locations of water samples collected May 7 through May 14, and analyzed over the past week, as detailed in the regional Red Tide Status Reports dated May 15.

05/08/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in three samples from Northwest Florida and one sample from Southwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

 In Southwest Florida over the past week, K. brevis was observed at background concentrations in one sample from Sarasota County.
 In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample each from Escambia, Santa Rosa, and Bay counties.
 Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict variable movement of surface and subsurface waters from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, May 15.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected April 30 through May 7, and analyzed over the past week, as detailed in the Red Tide Status Report dated May 8 on our Red Tide Current Status page.

05/01/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in one sample from Northwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was not observed.
• In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample from Escambia County.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict variable movement of surface and subsurface waters from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, May 8.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected April 23 through 30, and analyzed over the past week, as detailed in the Red Tide Status Report dated May 1 on our Red Tide Current Status page.

04/24/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in one sample from Northwest Florida and two offshore samples from Southwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

 In Southwest Florida over the past week, K. brevis was observed at background concentrations in two samples from offshore of Pinellas and Hillsborough counties.
 In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample from Santa Rosa County.
 Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict net southeastern to southern movement of surface and subsurface waters in most areas from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, May 1st.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected April 16 through April 23, and analyzed over the past week, as detailed in the Red Tide Status Report dated April 24 on our Red Tide Current Status page.

04/17/2026

For the most updated information on our sample results, please check our daily sampling map (MyFWC.com/redtidemap), which can be accessed via the online status report on our Red Tide Current Status page (https://myfwc.com/research/redtide/statewide/). Our online status report includes a full detailed Red Tide Report with data tables and regional maps. For more information on algal blooms and water quality, please visit Protecting Florida Together at https://protectingfloridatogether.gov.

Over the past week, the red tide organism, Karenia brevis, was observed at background concentrations in three samples from Northwest Florida and one offshore sample from Southwest Florida. We continue to use satellite imagery (USF and NOAA NCCOS) to help track nearshore and offshore conditions.

Additional details follow.

• In Southwest Florida over the past week, K. brevis was observed at background concentrations in one offshore Lee County sample.
• In Northwest Florida over the past week, K. brevis was observed at background concentrations in one sample each from Escambia, Okaloosa, and Gulf counties.
• Along the Florida East Coast over the past week, K. brevis was not observed.

No Fish kills suspected to be related to red tide were reported to FWC's Fish Kill Hotline or other partners over the past week.

Respiratory Irritation suspected to be related to red tide was not reported over the past week in Florida. For forecasts that use FWC and partner data, please visit the National Oceanic and Atmospheric Administration’s Gulf Coast Harmful Algal Blooms Forecast.

Short-term (3.5 day) forecasts provided by the USF-FWC Collaboration for Prediction of Red Tides predict predominantly southwestern to southern movement of surface waters and southern to southeastern transport of subsurface waters from Pinellas to northern Monroe counties.

The next status report will be issued on Friday, April 24.

View our Social Media Policy: https://bit.ly/3qsncNb
________________________________
A map of Florida showing locations of water samples collected April 9 through April 16, and analyzed over the past week, as detailed in the Red Tide Status Report dated April 17 on our Red Tide Current Status page.

Florida Red Tide and other Harmful Algal Blooms (HABs)

06/19/2026

06/12/2026

06/05/2026

05/29/2026

05/22/2026

05/15/2026

05/08/2026

05/01/2026

04/24/2026

04/17/2026

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