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GM 270
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Forecast as of 4:00 am CDT on March 20, 2010
Synopsis For The Middle Texas Coastal Waters
Moderate onshore flow will continue early this morning and begin to weaken in the late morning. A strong cold front with a band of showers and possible thunderstorms will arrive this afternoon and develop a strong to very strong offshore flow. Gale force gusts will be possible late this afternoon through the overnight hours over the offshore waters in wake of the frontal passage. Moderate to strong offshore flow will gradually diminish on Sunday and Monday as high pressure builds into Texas. Onshore flow will then develop on Monday night as high pressure quickly moves east of the waters. Moderate onshore flow will then persist on Tuesday and Wednesday ahead of an approaching upper level disturbance.
Small Craft Advisory in effect until 7 am CDT this morning
Gale Warning in effect from this afternoon through late tonight
Small Craft Advisory in effect from late tonight through Sunday evening
Forecast as of 4:00 am CDT on March 20, 2010
Waters From Baffin Bay To Port Aransas From 20 To 60 Nm-
Waters From Port Aransas To Matagorda Ship Channel From 20 To
60 Nm-
Today
Southeast wind 10 to 15 knots becoming northeast 25 to 30 knots in the afternoon. Seas 5 to 7 feet. A chance of showers and thunderstorms.
Tonight
Northwest wind 30 to 35 knots with gusts to around 40 knots decreasing to 25 to 30 knots after midnight. Seas 9 to 11 feet.
Sunday
Northwest wind 25 to 30 knots decreasing to 20 to 25 knots in the afternoon. Seas 7 to 9 feet subsiding to 5 to 7 feet in the afternoon.
Sunday Night
Northwest wind 20 to 25 knots decreasing to 15 to 20 knots after midnight. Seas 4 to 6 feet.
Monday
Northwest wind 15 to 20 knots decreasing to 5 to 10 knots in the afternoon...then shifting south in the evening shifting southeast after midnight. Seas 2 to 4 feet.
Tuesday
Southeast wind 10 to 15 knots increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet.
Wednesday
Southeast wind around 15 knots. Seas 5 to 6 feet. A slight chance of showers and thunderstorms.
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Coastal Water Temperatures
Open Sea Buoy Information
C-MAN Station Information
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Marine Map
- Buoys / Water Temps
- Wave Heights
Click any area for a Zone forecast. Click the Station ID for station data.
Marine Links
Marine links for Western Gulf of Mexico
- Laguna Madre from the Port of Brownsville to the Arroyo Colorado
- Laguna Madre from the Arroyo Colorado to 5 nm north of Port Mansfield, TX
- Port Mansfield to Baffin Bay, TX
- Coastal waters from Port Mansfield, TX to Rio Grande River out 20 nm
- Coastal waters from Baffin Bay to Port Mansfield, TX out 20 nm
- Waters from Port Mansfield, TX to Rio Grande extending from 20 nm to 60 nm
- Waters from Baffin Bay to Port Mansfield, extending from 20 to 60 nm
- Bays and waterways from Corpus Christi to Baffin Bay
- Bays and waterways from Port O'Connor to Aranas Pass
- Coastal waters out to 20 nm from Baffin Bay to Port Aransas
- Coastal waters 20 to 60 nm from Baffin Bay to Port Aransas
- Matagorda Bay
- Galveston Bay
- Coastal waters from Freeport to Matagorda Ship Channel out 20 nm
- Coastal waters from High Island to Freeport, TX out 20 nm
- Freeport to Matagorda Ship Channel extending from 20 nm to 60 nm
- Waters from High Island to Freeport, TX extending from 20 to 60 nm
- Coastal waters from Cameron, LA to High Island, TX out 20 nm
- Coastal waters from Intercoastal City, LA to Cameron, LA out 20 nm
- Coastal waters from Lower Atchafalaya River to Intercoastal City, LA from 20 nm to 60 nm
- Waters from Cameron, LA to High Island, TX extending from 20 nm to 60 nm
- Waters from Intercoastal City to Cameron, LA from 20 nm to 60 nm
- Lower Atchafalaya River to Intercoastal City, LA extending from 20 to 60 nm
- Lake Pontchartrain/Lake Maurepas
- Coastal waters from the southwest pass of the Mississippi River out 20 nm
- Coastal waters from Pascagoula, MS, to the southwest pass of the Mississippi River out 20 nm
- Waters from the southwest pass of the Mississippi River to Lower Atchafalaya River out 20 nm
- Waters from Pascagoula, MS, to the southwest pass of the Mississippi River out 20 nm
- Mobile Bay
- Coastal waters from Pensacola, FL to Pascagoula, MS out 20 nm
- Coastal waters from Destin to Pensacola, FL out 20 nm
Marine links for Gulf of Mexico offshore marine forecasts
- Northwest Gulf North of 25 North and West of 90 West
- Southwest Gulf South of 25 North and West of 90 West
- Middle Gulf between 85 West and 90 West
- East Gulf between 81 West and 85 West
There are currently no warnings or advisories for this location.
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Tide Information
Currents Information
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