Houston Galveston Texas Marine Forecast Interactive Clickable Zone Map

Marine forecast zone from the state of Texas Houston | Galveston NOAA office which include the Gulf of America, coastal waters, bays and offshore. Marine forecast areas included are Galveston Bay, High Island, Crystal Beach, Tiki Island, Jamaica Beach, Surfside Beach, Quintana, Freeport, Matagorda Bay, Port Bolivar and Bolivar Peninsula

Click any zone on the map below to retrieve forecast

Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles

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FZUS54 KHGX 180534
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1234 AM CDT Mon Aug 18 2025

Upper Texas coastal waters from High Island to the Matagorda Ship
Channel out 60 nautical miles including Galveston and Matagorda
Bays.

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the
average highest 10 percent of the waves.


GMZ300-181815-
1234 AM CDT Mon Aug 18 2025

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.

A weak pressure gradient will remain in place for a good part of the 
week which will lead to a prevailing landbreeze and seabreeze 
circulation featuring variable to offshore wind directions late at 
night and in the morning and a more moderate onshore winds in the 
afternoons and evenings. Models are indicating the potential for 
some scattered strong storms during the first part of Tuesday 
with a passing upper disturbance. We'll be monitoring trends. 
Otherwise, a somewhat unsettled weather pattern is expected as the
week progresses with chances of showers and thunderstorms on a 
daily basis. 

$$


Coastal marine forecasts from NOAA National Weather Service. Marine forecasts are issued at least four times a day. Advisories, watches and warnings for marine areas are issued as required. Internet forecasts should never be relied upon to obtain the latest forecast and warning data. Use other means such as NOAA Weather Radio to obtain the latest forecasts and warnings.

For more Houston and Galveston marine forecast information visit the following office website:

NOAA Houston Galveston Marine Office website