704
FZUS54 KBRO 090756
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
256 AM CDT Sat May 9 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.

GMZ100-092030-
256 AM CDT Sat May 9 2026

.SYNOPSIS...Despite the passage of another weak cold front early
next week, favorable marine conditions will prevail throughout the
entire forecast, with light to moderate winds and low to moderate
seas. Small Craft Should Exercise Caution and Small Craft Advisory
are not likely to be needed.

$$

GMZ130-132-135-092030-
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-
256 AM CDT Sat May 9 2026

.TODAY...Northeast winds around 5 knots, becoming east this
afternoon. A light chop on the bay. A slight chance of showers
and thunderstorms.
.TONIGHT...East winds 5 to 10 knots, becoming southeast in the
late evening and early morning, then diminishing to around
5 knots early in the morning. A light chop on the bay.
.SUNDAY...Southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. A light chop on the bay.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
early in the morning. A light chop on the bay. A chance of
showers with a slight chance of thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A light chop on the bay, increasing to
a moderate chop on the bay in the afternoon. A chance of showers
early in the morning.
.MONDAY 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.
.TUESDAY...Northeast winds 5 to 10 knots. A light chop on the
bay.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. A light chop on the bay.
.WEDNESDAY...East winds around 5 knots, increasing to 5 to
10 knots in the afternoon. A light chop on the bay.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. A light chop on the bay.

Winds and waves higher in and near thunderstorms.

$$

GMZ150-155-092030-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
256 AM CDT Sat May 9 2026

.TODAY...Northeast winds around 5 knots, becoming east this
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds. A slight chance of showers and thunderstorms this
afternoon.
.TONIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
early in the morning. Seas 2 to 3 feet. Wave Detail: East 3 feet
at 7 seconds. A chance of showers with a slight chance of
thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East
3 feet at 6 seconds. A chance of showers with a slight chance of
thunderstorms early in the morning.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.TUESDAY...Northeast winds around 10 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds around 10 knots, becoming 5 to
10 knots after midnight. Seas 3 to 4 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...East winds around 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-092030-
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-
256 AM CDT Sat May 9 2026

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms.
.TONIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at
7 seconds. A chance of showers with a slight chance of
thunderstorms early in the evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
early in the morning. Seas 2 to 4 feet. Wave Detail: Southeast
3 feet at 7 seconds. A chance of showers with a slight chance of
thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms early in the morning.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...East winds around 10 knots, becoming 5 to
10 knots after midnight. Seas 3 to 4 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$