NOAA HAB (Red Tide) Watch

NOAA HAB (Red Tide) Watch

1305 East-West Hwy, Silver Spring (MD), United States

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Work hours
MO 09:00 – 17:00 SA closed
TU 09:00 – 17:00 SU closed
WE 09:00 – 17:00
TH 09:00 – 17:00
FR 09:00 – 17:00

NOAA's Harmful Algal Bloom Operational Forecast System provides the nation’s only operational forecasts for harmful algal blooms (also known as red tides) in the Gulf of Mexico.

NOAA HAB (Red Tide) Watch cover
Mission NOAA’s Harmful Algal Bloom Operational Forecast System (HAB-OFS) issues forecasts for the potential for bloom formation, transport, intensification, and respiratory impacts in the Gulf of Mexico, based on the integration of oceanographic, remote sensing, meteorological, biological and model data. These forecasts are disseminated in weekly operational bulletins to support the decisions of coastal resource managers, academics and members of the public. For more information visit our homepage:

NOAA’s HAB-OFS will be using Facebook to help disseminate HAB forecasts, promote awareness of their activities and to discuss general information about HABs in the Gulf of Mexico and in other regions of the U.S.

Note: An expert HAB forecaster will be monitoring and commenting on this Facebook page during normal business hours. During an active bloom, HAB forecasters may not be as available to respond to individual questions. Refer to for the most up-to-date HAB forecasts.

Comment Policy:
User comments and feedback are welcome on this page, as it allows us and others to share and gain new information. While we encourage your feedback, we caution you to be mindful that people of all ages and backgrounds also use our page. When posting comments, be respectful of others, and only post information relevant to the topic. The HAB-OFS team follows certain posting policies and will delete any comments that are inconsistent with them. Therefore, it is the HAB-OFS team’s policy to remove comments that:

• Are violent, obscene, profane, hateful or racist
• Are sexually explicit or sexually harassing
• Threaten, harass, or defame any person or organization
• Spread misleading or false information/accusations
• Are inappropriate or offensive
• Are irrelevant or off-topic
• Suggest or encourage illegal activity
• Are copied and pasted multiple times
• Solicit, advertise, link to, or endorse any financial, commercial or nongovernmental agency

Comments will not be edited to remove unacceptable content; the comments will just be deleted. For more information, visit

  • 1305 East-West Hwy, Silver Spring (MD), United States
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