Marine Forecast GMZ175
Expires:202501181615;;243292
FZUS54 KBRO 180400
CWFBRO
Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1000 PM CST Fri Jan 17 2025
Lower Texas coastal waters from Baffin Bay to the mouth of the
Rio Grande out 60 NM.
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.
GMZ170-175-181615
Gulf waters from Port Mansfield to the Rio Grande extending from
20 to 60 nm
Gulf waters from Baffin Bay to Port Mansfield extending from
20 to 60 nm
1000 PM CST Fri Jan 17 2025
SMALL CRAFT EXERCISE CAUTION
REST OF TONIGHT
Southwest winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 7 feet. Wave Detail: Southeast 4 feet at
6 seconds.
SATURDAY
Southwest winds 10 to 15 knots, becoming north in the
afternoon. Seas 4 to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and southeast 3 feet at 7 seconds.
SATURDAY NIGHT
North winds 15 to 20 knots, increasing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 4 to
5 feet, building to 6 to 8 feet, occasionally to 10 feet after
midnight. Wave Detail: Northeast 5 feet at 7 seconds and north
4 feet at 4 seconds, becoming north 8 feet at 7 seconds and south
1 foot at 6 seconds.
SUNDAY
North winds 25 to 30 knots, diminishing to 20 to
25 knots late in the afternoon. Seas 7 to 10 feet, occasionally
to 13 feet. Wave Detail: North 10 feet at 8 seconds and south
1 foot at 6 seconds.
SUNDAY NIGHT
Northeast winds 15 to 20 knots. Seas 6 to 9 feet,
occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally
to 9 feet after midnight. Wave Detail: Northeast 9 feet at
8 seconds and northwest 4 feet at 5 seconds, becoming northeast
6 feet at 8 seconds.
MONDAY
East winds 15 to 20 knots, increasing to 20 to 25 knots
with gusts up to 30 knots in the afternoon. Seas 5 to 7 feet,
occasionally to 9 feet, building to 6 to 9 feet, occasionally to
11 feet in the afternoon. Wave Detail: Northeast 7 feet at
7 seconds, becoming northeast 9 feet at 8 seconds. A chance of
drizzle in the morning, then rain in the afternoon.
MONDAY NIGHT
East winds 15 to 20 knots with gusts up to
30 knots, increasing to 20 to 25 knots with gusts up to 30 knots
after midnight, then becoming northeast with gusts up to 30 knots
early in the morning. Seas 8 to 10 feet, occasionally to 13 feet,
building to 9 to 12 feet, occasionally to 15 feet after midnight.
Rain.
TUESDAY
North winds 25 to 30 knots. Seas 10 to 15 feet,
occasionally to 19 feet, building to 13 to 16 feet, occasionally
to 20 feet in the afternoon. Rain in the morning, then rain
likely with a chance of drizzle in the afternoon.
TUESDAY NIGHT
North winds 25 to 30 knots, diminishing to 20 to
25 knots with gusts up to 30 knots in the late evening and
overnight. Seas 10 to 15 feet, occasionally to 19 feet, subsiding
to 9 to 12 feet, occasionally to 15 feet after midnight. A chance
of drizzle, mainly in the evening.
WEDNESDAY
Northeast winds 15 to 20 knots, becoming east in the
afternoon. Seas 7 to 10 feet, occasionally to 13 feet. A slight
chance of drizzle.
WEDNESDAY NIGHT
Southeast winds 10 to 15 knots, becoming
around 15 knots early in the morning. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of drizzle.
All Gulf of Mexico Marine Forecast
- Synopsis for Florida Bay and the Keys
- Florida Bay including Blackwater and Buttonwood Sounds
- Bayside and Gulfside from Craig Key to Halfmoon Shoal out to 5 fathoms
- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms
- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel
- Hawk Channel from Ocean Reef to Craig Key out to the reef
- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef
- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
- Straits of Florida from Ocean Reef to Craig Key out 20 nm
- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 nm
- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 nm
- Straits of Florida from Halfmoon Shoal to GMZ055 20 nm west of Dry Tortugas out 20 nm
- Straits of Florida from Ocean Reef to Craig Key 20 to 60 nm out
- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 nm out
- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 nm out
- Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas 20 to 60 nm out
- Synopsis for East Cape Sable to Bonita Beach, FL out 60 nm
- Coastal waters from East Cape Sable to Chokoloskee, FL out 20 nm
- Coastal waters from Chokoloskee to Bonita Beach, FL out 20 nm
- Waters from Chokoloskee to Bonita Beach, FL from 20 to 60 nm
- Synopsis for Bonita Beach to Suwannee River, FL out 60 nm
- Coastal waters from Bonita Beach to Englewood FL out 20 nm
- Waters from Bonita Beach to Englewood FL out 20 to 60 nm
- Tampa Bay Waters
- Charlotte Harbor and Pine Island Sound
- Coastal waters from Englewood to Tarpon Springs FL out 20 nm
- Waters from Englewood to Tarpon Springs FL out 20 to 60 nm
- Coastal waters from Tarpon Springs to Suwannee River FL out 20 nm
- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 nm
- Synopsis for Suwannee River to Destin, FL out 60 nm
- Apalachee Bay or Coastal Waters from Keaton Beach to Ochlockonee River FL out to 20 nm
- Coastal waters from Ochlockonee River to Apalachicola, FL out 20 nm
- Waters from Suwannee River to Apalachicola, FL extending from 20 to 60 nm
- Coastal waters from Mexico Beach to Okaloosa Walton County Line FL out 20 NM
- Coastal waters from Mexico Beach to Apalachicola FL out 20 NM
- Coastal waters from Suwanee River to Keaton Beach out 20 nm
- Waters from Mexico Beach to Okaloosa Walton County Line FL from 20 to 60 NM
- Waters from Apalachicola to Mexico Beach FL from 20 to 60 NM
- Synopsis for Destin to Pascagoula, MS out 60 nm
- North Mobile Bay
- South Mobile Bay
- Mississippi Sound
- Perdido Bay Area
- Pensacola Bay Area including Santa Rosa Sound
- Western Choctawhatchee Bay
- Eastern Choctawhatchee Bay
- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM
- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM
- Coastal Waters from Pensacola FL to Pascagoula MS out 20 nm
- Waters from Pensacola, FL to GMZ670 Pascagoula, MS from 20 to 60 nm
- Synopsis for Pascagoula, MS to Southwest Pass of the Mississippi River out 60 nm
- Lake Pontchartrain/Lake Maurepas
- Mississippi Sound
- Lake Borgne
- Chandeleur Sound
- Coastal Waters from Pascagoula Mississippi to Stake Island Louisiana out 20 nm
- Coastal Waters from Boothville Louisiana to Southwest Pass of the Mississippi River out 20 nm
- Coastal Waters from Pascagoula Mississippi to Stake Island Louisiana from 20 to 60 nm
- Coastal Waters from Stake Island Louisiana to Southwest Pass of the Mississippi River from 20 to 60 nm
- Synopsis for Southwest pass of the Mississippi River to Atchafalaya River, LA out 60 nm
- Coastal Waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 nm
- Coastal Waters from Port Fourchon Louisiana to Lower Atchafalaya River Louisiana out 20 Nm
- Coastal Waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 nm
- Coastal Waters from Port Fourchon Louisiana to Lower Atchafalaya River Louisiana from 20 to 60 nm
- Synopsis for Atchafalaya River to High Island, TX out 60 nm
- Coastal waters from Lower Atchafalaya River to Intracoastal City, LA out 20 nm
- Waters from Lower Atchafalaya River to Intracoastal City, LA extending from 20 to 60 nm
- Coastal waters from Intracoastal City, LA to Cameron, LA out 20 nm
- Waters from Intracoastal City, LA to Cameron, LA extending from 20 to 60 nm
- Coastal waters from Cameron, LA to High Island, TX out 20 nm
- Waters from Cameron, LA to High Island, TX extending from 20 to 60 nm
- Sabine Lake
- Calcasieu Lake
- Vermillion Bay
- Synopsis for High Island to Matagorda Ship Channel out 60 nm
- Galveston Bay
- Coastal waters from High Island to Freeport, TX out 20 nm
- Waters from High Island to Freeport, TX extending from 20 to 60 nm
- Matagorda Bay
- Coastal waters from Freeport to Matagorda Ship Channel out 20 nm
- Waters from Freeport to Matagorda Ship Channel, TX extending from 20 to 60 nm
- Synopsis for Matagorda Ship Channel to Baffin Bay, TX out 60 nm
- Bays and Waterways from Port Aransas to Port O’Connor
- Coastal waters Port Aransas to Matagorda Ship Channel out 20 nm
- Waters Port Aransas to Matagorda Ship Channel from 20 to 60 nm
- Bays and Waterways from Baffin Bay to Port Aransas
- Coastal waters Baffin Bay to Port Aransas out 20 nm
- Waters Baffin Bay to Port Aransas from 20 to 60 nm
- Synopsis for Baffin Bay to Rio Grande, TX out 60 nm
- Coastal waters from Baffin Bay to Port Mansfield TX out 20 nm
- Waters from Baffin Bay to Port Mansfield TX from 20 to 60 nm
- Coastal waters from Port Mansfield to Rio Grande River TX out 20 nm
- Waters from Port Mansfield to Rio Grande River TX from 20 to 60 nm
- Laguna Madre from 5nm north of Port Mansfield to Baffin Bay TX
- Laguna Madre from the Arroyo Colorado to 5nm north of Port Mansfield
- Laguna Madre from the Port of Brownsville to the Arroyo Colorado
Gulf of Mexico Marine Watches, Warnings and Advisories Check all Gulf of Mexico Marine Zones.