FZUS54 KBRO 170645 AAA CWFBRO Coastal Waters Forecast for the Lower Texas Coast...UPDATED National Weather Service Brownsville TX 145 AM CDT Sat Oct 17 2026 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. GMZ100-171915- 145 AM CDT Sat Oct 17 2026 .SYNOPSIS...Marine conditions are not as adverse as originally forecast in the wake of the cold front, and therefore the Gale Warning has been canceled and has been replaced with a Small Craft Advisory. A gradual improvement in winds and seas will occur through the middle of next week. $$ GMZ130-132-135-171915- 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- 145 AM CDT Sat Oct 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...North winds around 20 knots, diminishing to 15 to 20 knots this afternoon. Rough bay waters, diminishing to choppy bay waters this afternoon. .TONIGHT...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the late evening and overnight. Choppy bay waters, diminishing to a moderate chop on the bay in the late evening and overnight. .SUNDAY...North winds around 15 knots, becoming northeast late in the afternoon. A moderate chop on the bay. A slight chance of showers early in the afternoon. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the late evening and overnight. A moderate chop on the bay, diminishing to a light chop on the bay in the late evening and overnight. .MONDAY...Northeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. A light chop on the bay. A slight chance of showers. .TUESDAY...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots late in the afternoon. A light chop on the bay, increasing to a moderate chop on the bay late in the afternoon. A slight chance of showers early in the morning. A chance of showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. A light chop on the bay. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. A chance of showers with a slight chance of thunderstorms until late afternoon, then a slight chance of showers late in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. A moderate chop on the bay, diminishing to a light chop on the bay after midnight. A slight chance of showers early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-171915- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 145 AM CDT Sat Oct 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...North winds 20 to 25 knots. Seas 10 to 15 feet, occasionally to 19 feet, subsiding to 9 to 12 feet, occasionally to 15 feet this afternoon. Wave Detail: Northeast 13 feet at 9 seconds and northwest 6 feet at 7 seconds, becoming north 11 feet at 7 seconds and north 3 feet at 4 seconds. .TONIGHT...North winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Northeast 8 feet at 8 seconds and northwest 2 feet at 5 seconds, becoming northeast 5 feet at 8 seconds and north 1 foot at 4 seconds. .SUNDAY...North winds around 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 5 feet at 7 seconds and north 2 feet at 4 seconds. A slight chance of showers in the afternoon. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 8 seconds. A chance of showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...Northeast winds around 10 knots. Seas 4 to 5 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers with a slight chance of thunderstorms until late afternoon, then a slight chance of showers late in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. A slight chance of showers early in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-171915- 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- 145 AM CDT Sat Oct 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...North winds 20 to 25 knots. Seas 11 to 14 feet, occasionally to 18 feet, subsiding to 9 to 12 feet, occasionally to 15 feet this afternoon. Wave Detail: Northeast 14 feet at 9 seconds, becoming northeast 12 feet at 9 seconds and north 6 feet at 7 seconds. A slight chance of showers this afternoon. .TONIGHT...North winds 20 to 25 knots, becoming northeast 15 to 20 knots in the late evening and overnight. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 4 to 6 feet, occasionally to 7 feet after midnight. Wave Detail: Northeast 8 feet at 8 seconds, becoming northeast 6 feet at 8 seconds. .SUNDAY...Northeast winds around 15 knots. Seas 4 to 6 feet, occasionally to 7 feet. Wave Detail: Northeast 6 feet at 8 seconds and north 2 feet at 5 seconds. A slight chance of showers in the afternoon. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds and north 2 feet at 5 seconds. A slight chance of showers early in the morning. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. A chance of showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 8 seconds. A chance of showers early in the evening. A slight chance of showers in the late evening and early morning, then a chance of showers early in the morning. .TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers and thunderstorms early in the morning, then a slight chance of thunderstorms in the afternoon. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. A slight chance of showers early in the evening. Winds and seas higher in and near thunderstorms. $$