National Weather Service Marine Forecast FZUS54 KBRO

FZUS54 KBRO 141729
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1129 AM CST Wed Jan 14 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.

GMZ100-150615
1129 AM CST Wed Jan 14 2026

SYNOPSIS
Adverse marine conditions are anticipated this evening with the arrival of a cold front and expected to continue through Thursday afternoon, with breezy northerly winds and moderate seas. Marine conditions improve Thursday night, and southerly winds return by Friday. The next cold front arrives Saturday with a northeasterly wind shift. Low precipitation chances (20-30%) return on Saturday with the passage of the cold front.

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GMZ130-132-135-150615
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
1129 AM CST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING THROUGH THURSDAY AFTERNOON

TONIGHT
North winds 10 to 15 knots, increasing to 15 to 20 knots late this evening and overnight. A moderate chop on the bay, increasing to choppy late this evening and overnight.

THURSDAY
North winds 10 to 15 knots, becoming northeast 5 to 10 knots late in the afternoon. A moderate chop on the bay, diminishing to light chop late in the afternoon.

THURSDAY NIGHT
East winds around 5 knots, becoming south early in the morning. Smooth on the bay, increasing to light chop in the late evening and overnight.

FRIDAY
South winds around 10 knots. Light chop on the bay.

FRIDAY NIGHT
Southeast winds 5 to 10 knots, becoming northeast early in the morning. Light chop on the bay.

SATURDAY
Northeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers in the afternoon.

SATURDAY NIGHT
Northeast winds 10 to 15 knots. A moderate chop on the bay.

SUNDAY
Northeast winds 5 to 10 knots, becoming east in the afternoon. Light chop on the bay.

SUNDAY NIGHT
Southeast winds around 10 knots, becoming 5 to 10 knots after midnight. Light chop on the bay.

MONDAY
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay.

MONDAY NIGHT
Southeast winds 10 to 15 knots, becoming east early in the morning. A moderate chop on the bay, diminishing to light chop early in the morning. A slight chance of showers in the evening, then a chance of showers after midnight.

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GMZ150-155-150615
Gulf waters from Port Mansfield to the Rio Grande out 20 nm
Gulf waters from Baffin Bay to Port Mansfield out 20 nm
1129 AM CST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING THROUGH THURSDAY AFTERNOON

TONIGHT
North winds 15 to 20 knots, increasing to 20 to 25 knots early this morning. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 8 feet, occasionally to 10 feet after midnight. Wave Detail: Northeast 6 feet at 7 seconds and north 3 feet at 4 seconds, becoming north 7 feet at 7 seconds.

THURSDAY
North winds 15 to 20 knots, diminishing to 5 to 10 knots. Seas 6 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Northeast 7 feet at 7 seconds and north 3 feet at 4 seconds, becoming northeast 5 feet at 7 seconds.

THURSDAY NIGHT
Northeast winds around 5 knots, becoming south after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds.

FRIDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 6 seconds and south 1 foot at 3 seconds.

FRIDAY NIGHT
Southeast winds 5 to 10 knots, becoming east 10 to 15 knots early in the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds.

SATURDAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds. A slight chance of showers.

SATURDAY NIGHT
Northeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers in the evening.

SUNDAY
Northeast winds 10 to 15 knots, becoming east late in the afternoon. Seas 3 to 5 feet.

SUNDAY NIGHT
Southeast winds around 10 knots. Seas 3 to 4 feet.

MONDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers in the afternoon.

MONDAY NIGHT
Southeast winds 10 to 15 knots, becoming east early in the morning. Seas 3 to 5 feet. A chance of showers.

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GMZ170-175-150615
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
1129 AM CST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING THROUGH THURSDAY AFTERNOON

TONIGHT
North winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 7 to 10 feet, occasionally to 13 feet after midnight. Wave Detail: Northeast 7 feet at 7 seconds, becoming north 9 feet at 7 seconds.

THURSDAY
North winds 15 to 20 knots, diminishing to 5 to 10 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: North 9 feet at 7 seconds, becoming northeast 6 feet at 7 seconds.

THURSDAY NIGHT
Northeast winds around 5 knots, becoming southeast late in the evening, then becoming south after midnight, increasing to 10 to 15 knots early in the morning. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds.

FRIDAY
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and northeast 2 feet at 6 seconds.

FRIDAY NIGHT
South winds 5 to 10 knots, becoming east 10 to 15 knots early in the morning. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers after midnight.

SATURDAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds. A chance of showers.

SATURDAY NIGHT
Northeast winds around 15 knots. Seas 3 to 5 feet. A slight chance of showers in the evening.

SUNDAY
Northeast winds 10 to 15 knots, becoming east late in the afternoon. Seas 4 to 5 feet.

SUNDAY NIGHT
Southeast winds around 10 knots. Seas 3 to 5 feet.

MONDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers in the afternoon.

MONDAY NIGHT
Southeast winds around 15 knots. Seas 3 to 5 feet. A slight chance of showers in the evening, then a chance of showers after midnight.