596
FZUS54 KBRO 060700
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
100 AM CST Sat Dec 6 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.

GMZ100-061930-
100 AM CST Sat Dec 6 2025

.SYNOPSIS...Favorable winds and seas are expected until late in
the weekend, when the passage of a cold front will bring the
possibility of Small Craft Advisory. Winds and seas will then
rapidly improve early in the new work week.

$$

GMZ130-132-135-061930-
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-
100 AM CST Sat Dec 6 2025

.TODAY...North winds around 5 knots, becoming east late this
afternoon. A light chop on the bay. A slight chance of showers
early this morning.
.TONIGHT...East winds around 5 knots, becoming southwest early in
the morning. A light chop on the bay.
.SUNDAY...West winds around 5 knots, becoming north late in the
afternoon. A light chop on the bay.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
15 to 20 knots in the late evening and overnight. A light chop on
the bay, increasing to choppy bay waters in the late evening and
overnight.
.MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15
knots in the afternoon. A moderate chop on the bay.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. A light chop on
the bay.
.TUESDAY...Northeast winds around 5 knots, becoming east in the
afternoon. A light chop on the bay.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. A light chop on the bay.
.WEDNESDAY...South winds 10 to 15 knots. A moderate chop on the
bay.
.WEDNESDAY NIGHT...South winds around 10 knots. A light chop on
the bay.

$$

GMZ150-155-061930-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
100 AM CST Sat Dec 6 2025

.TODAY...North winds 5 to 10 knots, becoming northeast late this
afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
6 seconds. A slight chance of showers early this morning.
.TONIGHT...East winds around 5 knots, becoming southwest early in
the morning. Seas 2 to 3 feet. Wave Detail: East 2 feet at
5 seconds.
.SUNDAY...West winds around 5 knots, becoming north late in the
afternoon. Seas 1 to 2 feet. Wave Detail: North 1 foot at
3 seconds. A slight chance of showers in the afternoon.
.SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 20 to
25 knots. Seas 3 to 5 feet, building to 6 to 8 feet, occasionally
to 10 feet after midnight. Wave Detail: Northeast 4 feet at
5 seconds, becoming north 8 feet at 7 seconds.
.MONDAY...North winds 15 to 20 knots, becoming northeast 10 to
15 knots late in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: North 8 feet at 6 seconds.
.MONDAY 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.
.TUESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 2 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ170-175-061930-
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-
100 AM CST Sat Dec 6 2025

.TODAY...North winds 5 to 10 knots, becoming northeast late this
afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
6 seconds and northwest 1 foot at 3 seconds. A chance of showers
early this morning. A slight chance of showers this afternoon.
.TONIGHT...East winds 5 to 10 knots, becoming south early in the
morning. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds and north 1 foot at 4 seconds. A slight chance of
showers.
.SUNDAY...Southwest winds 5 to 10 knots, becoming northwest in
the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at
3 seconds and east 2 feet at 5 seconds. A chance of showers.
.SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 20 to
25 knots with gusts up to 30 knots. Seas 3 to 5 feet, building to
6 to 9 feet, occasionally to 11 feet after midnight. Wave Detail:
North 4 feet at 5 seconds, becoming north 9 feet at 6 seconds.
.MONDAY...North winds 20 to 25 knots, becoming northeast 15 to
20 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: Northeast 9 feet at 7 seconds, becoming
northeast 6 feet at 7 seconds.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Northeast 5 feet at 7 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 2 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

$$