National Weather Service Marine Forecast FZUS54 KBRO

FZUS54 KBRO 290828
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
328 AM CDT Fri Sep 29 2023

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.

GMZ100-291530
328 AM CDT Fri Sep 29 2023

SYNOPSIS
Light to moderate winds and low to moderate seas will prevail along the Lower Texas Coast through the forecast with a modest pressure gradient in place. However, a building of seas may occur beginning Monday night due to a tightening of the gradient.

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GMZ130-132-135-291530
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
328 AM CDT Fri Sep 29 2023

TODAY
Northeast winds 5 to 10 knots increasing to 10 to 15 knots this afternoon. A light chop on the bay becoming a moderate chop on the bay this afternoon. A slight chance of showers and thunderstorms this morning.

TONIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A moderate chop on the bay becoming a light chop on the bay after midnight. A chance of showers and thunderstorms after midnight.

SATURDAY
East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. A light chop on the bay becoming a moderate chop on the bay in the afternoon. A chance of showers and thunderstorms.

SATURDAY NIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A moderate chop on the bay becoming a light chop on the bay after midnight. A chance of showers and thunderstorms.

SUNDAY
East winds around 5 knots increasing to 10 to 15 knots in the afternoon. A light chop on the bay becoming a moderate chop on the bay in the afternoon. A chance of showers and thunderstorms.

SUNDAY NIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A moderate chop on the bay becoming a light chop on the bay after midnight. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight.

MONDAY
East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. A light chop on the bay becoming a moderate chop on the bay in the afternoon. A slight chance of thunderstorms in the morning. A chance of showers. A chance of thunderstorms in the afternoon.

MONDAY NIGHT
East winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight. A moderate chop on the bay becoming a light chop on the bay after midnight. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight.

TUESDAY
Southeast winds 5 to 10 knots becoming east 10 to 15 knots in the afternoon. A light chop on the bay becoming a moderate chop on the bay in the afternoon. A slight chance of thunderstorms in the morning. A chance of showers. A chance of thunderstorms in the afternoon.

TUESDAY NIGHT
East winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight. A moderate chop on the bay becoming a light chop on the bay after midnight. A chance of showers with a slight chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

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GMZ150-155-291530
Gulf waters from Port Mansfield to the Rio Grande out 20 nm
Gulf waters from Baffin Bay to Port Mansfield out 20 nm
328 AM CDT Fri Sep 29 2023

TODAY
Northeast winds 5 to 10 knots increasing to 10 to 15 knots this afternoon. Seas 2 to 3 feet. A chance of showers and thunderstorms this morning. A slight chance of showers and thunderstorms this afternoon.

TONIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.

SATURDAY
East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Showers and thunderstorms likely, mainly in the morning.

SATURDAY NIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Seas 2 to 4 feet. A chance of showers and thunderstorms.

SUNDAY
East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Seas 3 to 4 feet. A chance of showers and thunderstorms.

MONDAY
East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. A chance of showers and thunderstorms.

MONDAY NIGHT
East winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight. Seas 4 to 5 feet. A chance of showers and thunderstorms.

TUESDAY
East winds 5 to 10 knots. Seas 4 to 5 feet. A chance of showers and thunderstorms.

TUESDAY NIGHT
Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ170-175-291530
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
328 AM CDT Fri Sep 29 2023

TODAY
Northeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

TONIGHT
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight.

SATURDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. Showers and thunderstorms likely.

SATURDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet. A chance of showers and thunderstorms.

SUNDAY
East winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
East winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms.

MONDAY
East winds 5 to 10 knots. Seas 3 to 5 feet. A chance of showers and thunderstorms.

MONDAY NIGHT
East winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers and thunderstorms.

TUESDAY
East winds 5 to 10 knots. Seas 4 to 6 feet, with occasional seas up to 7 feet. A chance of showers and thunderstorms.

TUESDAY NIGHT
Southeast winds 10 to 15 knots. Seas 4 to 6 feet, with occasional seas up to 7 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.