753
FZUS54 KBRO 071812
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1212 PM CST Sun Dec 7 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.

GMZ100-080715-
1212 PM CST Sun Dec 7 2025

.SYNOPSIS...Favorable conditions with moderate winds of varying
directions and slight seas continues through late this afternoon.
Conditions deteriorate Sunday evening behind a cold front. Strong
northerly winds gusting to near gale and seas building to rough
are expected through Monday morning, with a Small Craft Advisory
in place from 6 PM Sunday through 6 PM Monday. Monday night,
favorable conditions return through Thursday with gentle to
moderate southerly flow, slight seas, and very low rain chances.

$$

GMZ130-132-135-080715-
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-
1212 PM CST Sun Dec 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH MONDAY 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.
.MONDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Choppy on the bay, diminishing to a
moderate chop in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Light chop on the
bay.
.TUESDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Smooth on the bay.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Light chop on the bay.
.WEDNESDAY...South winds 5 to 10 knots. Light chop on the bay.
.WEDNESDAY NIGHT...South winds around 10 knots. Light chop on the
bay.
.THURSDAY...South winds around 10 knots. Light chop on the bay.
.THURSDAY NIGHT...South winds around 10 knots. Light chop on the
bay.
.FRIDAY...Southeast winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. A moderate chop on the bay.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. A moderate chop
on the bay. A slight chance of showers after midnight.

$$

GMZ150-155-080715-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1212 PM CST Sun Dec 7 2025

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

.TONIGHT...North winds 10 to 15 knots, increasing to 20 to
25 knots with gusts up to 30 knots late this evening and
overnight. Seas 4 to 6 feet, occasionally to 8 feet, building to
7 to 10 feet, occasionally to 13 feet after midnight. Wave
Detail: Northeast 6 feet at 6 seconds, becoming northeast 9 feet
at 7 seconds.
.MONDAY...North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. Seas 7 to 10 feet, occasionally to 13 feet, subsiding
to 6 to 8 feet, occasionally to 10 feet in the afternoon. Wave
Detail: Northeast 9 feet at 7 seconds, becoming north 7 feet at
6 seconds.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet after midnight. Wave Detail:
North 5 feet at 6 seconds, becoming northeast 3 feet at
7 seconds.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
7 seconds.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
3 seconds and east 2 feet at 6 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY...South winds around 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
.FRIDAY...Southeast winds around 10 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...Northeast winds around 15 knots. Seas 3 to
5 feet. A slight chance of showers.

$$

GMZ170-175-080715-
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-
1212 PM CST Sun Dec 7 2025

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

.TONIGHT...North winds 10 to 15 knots, increasing to 20 to
25 knots with gusts up to 35 knots late this evening and
overnight. Seas 5 to 7 feet, occasionally to 9 feet, building to
7 to 10 feet, occasionally to 13 feet after midnight. Wave
Detail: North 7 feet at 5 seconds, becoming north 10 feet at
7 seconds.
.MONDAY...North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots in the afternoon. Seas 7 to
10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet,
occasionally to 10 feet in the afternoon. Wave Detail: North
10 feet at 7 seconds, becoming northeast 7 feet at 7 seconds and
north 4 feet at 3 seconds.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet, subsiding to 3 to 4 feet after midnight.
Wave Detail: Northeast 6 feet at 7 seconds, becoming northeast
4 feet at 7 seconds.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
6 seconds.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south in
the late evening and overnight. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 3 seconds and east 2 feet at 6 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...South winds around 10 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...Northeast winds around 15 knots. Seas 3 to
4 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. A slight chance of showers in the evening, then a
chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$