Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
945 FZUS54 KBRO 081506 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 906 AM CST Wed Jan 8 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. GMZ100-090415- 906 AM CST Wed Jan 8 2025 .SYNOPSIS...Adverse to hazardous marine conditions are expected through the end of the week due to the formation of low pressure along the Lower Texas Coast. Winds and seas will improve for the weekend as the low pressure system moves away from the region. Periods of light rain through the end of the week may result in reduced visibility. $$ GMZ130-132-135-090415- 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- 906 AM CST Wed Jan 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .REST OF TODAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots late this afternoon. Gusts to 35 knots. Rough on the bay, diminishing to choppy late this afternoon. A chance of rain late this morning, then a slight chance of rain early this afternoon. .TONIGHT...North winds 15 to 20 knots with gusts up to 30 knots, becoming northeast 10 to 15 knots after midnight. Choppy on the bay, diminishing to a moderate chop after midnight. A slight chance of rain early in the evening. A chance of rain in the late evening and early morning, then rain likely early in the morning. .THURSDAY...Northeast winds 10 to 15 knots, becoming west late in the afternoon. A moderate chop on the bay. Patchy fog in the morning. Rain. .THURSDAY NIGHT...Northwest winds 10 to 15 knots, increasing to 15 to 20 knots early in the morning. A moderate chop on the bay, increasing to choppy early in the morning. Showers. .FRIDAY...Northwest winds 15 to 20 knots with gusts up to 30 knots, increasing to 20 to 25 knots with gusts up to 30 knots late in the afternoon. Choppy on the bay, increasing to rough late in the afternoon. Showers likely, mainly in the morning. .FRIDAY NIGHT...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots early in the morning. Choppy on the bay, diminishing to a moderate chop early in the morning. .SATURDAY...Northwest winds 5 to 10 knots, becoming east late in the afternoon. Light chop on the bay, diminishing to smooth in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots, becoming south in the late evening and overnight. Smooth on the bay. .SUNDAY...Southwest winds 5 to 10 knots, becoming northeast late in the afternoon. Light chop on the bay. A slight chance of showers in the afternoon. .SUNDAY NIGHT...Northeast winds around 10 knots, becoming north after midnight. A moderate chop on the bay. A slight chance of showers. $$ GMZ150-155-090415- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 906 AM CST Wed Jan 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .REST OF TODAY...Northeast winds 20 to 25 knots with gusts up to 35 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 8 feet at 7 seconds and north 3 feet at 4 seconds. A chance of rain this afternoon, then a slight chance of rain late this afternoon. .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 30 knots, becoming northeast 15 to 20 knots early in the morning. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 7 feet at 7 seconds and north 3 feet at 3 seconds, becoming northeast 6 feet at 7 seconds. A slight chance of rain early in the evening. A chance of rain in the late evening and early morning, then rain likely early in the morning. .THURSDAY...East winds 15 to 20 knots with gusts up to 30 knots, becoming southeast with gusts up to 30 knots late in the morning, then becoming south with gusts up to 30 knots early in the afternoon, becoming west 10 to 15 knots late in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Rain. .THURSDAY NIGHT...West winds 10 to 15 knots, becoming northwest 15 to 20 knots after midnight. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 6 feet at 8 seconds and northwest 5 feet at 5 seconds. Showers. .FRIDAY...Northwest winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: North 10 feet at 7 seconds. Showers likely, mainly in the morning. .FRIDAY NIGHT...North winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots after midnight. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: North 7 feet at 8 seconds and northwest 5 feet at 5 seconds, becoming north 6 feet at 6 seconds. .SATURDAY...Northwest winds 10 to 15 knots, becoming north 5 to 10 knots in the afternoon, then becoming northeast late in the afternoon. Seas 3 to 5 feet. .SATURDAY NIGHT...Southeast winds around 5 knots, becoming south in the late evening and overnight. Seas 2 to 3 feet. .SUNDAY...South winds 5 to 10 knots, becoming north late in the afternoon. Seas 1 to 2 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots early in the morning. Seas 2 to 4 feet. A slight chance of showers. $$ GMZ170-175-090415- 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- 906 AM CST Wed Jan 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .REST OF TODAY...Northeast winds 20 to 25 knots with gusts up to 35 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Northeast 8 feet at 7 seconds. Rain likely late this morning, then a chance of rain this afternoon. .TONIGHT...Northeast winds 15 to 20 knots, becoming east early in the morning. Gusts to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally to 10 feet after midnight. Wave Detail: North 7 feet at 7 seconds, becoming northeast 6 feet at 7 seconds. A chance of rain until early morning, then rain likely early in the morning. .THURSDAY...East winds 20 to 25 knots with gusts up to 40 knots, becoming south with gusts up to 40 knots early in the afternoon, then becoming southwest 15 to 20 knots with gusts up to 30 knots late in the afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 7 seconds. Rain. .THURSDAY NIGHT...Southwest winds 20 to 25 knots, becoming northwest early in the morning. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast 8 feet at 8 seconds and northwest 6 feet at 6 seconds. Showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms early in the morning. .FRIDAY...Northwest winds 20 to 25 knots, becoming north 25 to 30 knots in the afternoon. Seas 8 to 11 feet, occasionally to 14 feet, building to 10 to 12 feet, occasionally to 15 feet in the afternoon. Wave Detail: Northwest 9 feet at 7 seconds and southeast 6 feet at 8 seconds, becoming north 10 feet at 8 seconds and east 6 feet at 8 seconds. Showers, mainly in the morning. .FRIDAY NIGHT...North winds 25 to 30 knots, diminishing to 15 to 20 knots. Seas 9 to 12 feet, occasionally to 15 feet, subsiding to 6 to 9 feet, occasionally to 11 feet after midnight. Wave Detail: North 10 feet at 8 seconds and east 4 feet at 8 seconds, becoming north 9 feet at 7 seconds and east 4 feet at 8 seconds. A slight chance of showers in the evening. .SATURDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots late in the morning, then diminishing to 5 to 10 knots early in the afternoon, becoming northeast late in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. .SATURDAY NIGHT...East winds around 5 knots, becoming south in the late evening and overnight. Seas 2 to 3 feet. .SUNDAY...South winds around 10 knots, becoming northeast late in the afternoon. Seas 2 to 3 feet. A chance of showers. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet after midnight. A slight chance of thunderstorms in the evening. A chance of showers. Winds and seas higher in and near thunderstorms. $$