


Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
228 FZUS54 KBRO 112108 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 408 PM CDT Fri Apr 11 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. GMZ100-121015- 408 PM CDT Fri Apr 11 2025 .SYNOPSIS...Light breezes will strengthen to moderate or fresh over the weekend due to a tighter pressure gradient, with low seas gradually building to moderate. Conditions improve on Tuesday. $$ GMZ130-132-135-121015- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 408 PM CDT Fri Apr 11 2025 .TONIGHT...East winds 5 to 10 knots, becoming south early this morning. Light chop on the bay, diminishing to smooth late this evening and overnight. Patchy fog early this morning. .SATURDAY...South winds around 5 knots, becoming southeast late in the morning, then becoming 5 to 10 knots early in the afternoon, increasing to 10 to 15 knots late in the afternoon. Smooth on the bay, increasing to light chop early in the afternoon, then increasing to a moderate chop late in the afternoon. Patchy fog in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south early in the morning. A moderate chop on the bay. .SUNDAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Choppy on the bay. .SUNDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay. .MONDAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Choppy on the bay. .MONDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. A moderate chop on the bay. .TUESDAY...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. A moderate chop on the bay. .TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast after midnight. Light chop on the bay. .WEDNESDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south early in the morning. A moderate chop on the bay. $$ GMZ150-155-121015- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 408 PM CDT Fri Apr 11 2025 .TONIGHT...East winds around 5 knots, becoming south early this morning. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. .SATURDAY...South winds around 5 knots, becoming southeast in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. .SUNDAY...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and northeast 1 foot at 5 seconds. .SUNDAY NIGHT...South winds around 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. .MONDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .TUESDAY...Southeast winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds around 10 knots, becoming southeast early in the morning. Seas 2 to 3 feet. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 5 feet. $$ GMZ170-175-121015- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 408 PM CDT Fri Apr 11 2025 .TONIGHT...East winds around 5 knots, becoming south around 5 knots after midnight. Seas 1 to 2 feet. Wave Detail: South 1 foot at 4 seconds. .SATURDAY...South winds around 5 knots, becoming southeast in the afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at 4 seconds. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the late evening and overnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds. .SUNDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 4 seconds and northeast 1 foot at 5 seconds. .SUNDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. .MONDAY...South winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 5 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .TUESDAY...Southeast winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds around 10 knots, becoming southeast early in the morning. Seas 2 to 3 feet. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. $$