361
FZUS54 KBRO 101140 AAA
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast...UPDATED
National Weather Service Brownsville TX
540 AM CST Mon Nov 10 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.

GMZ100-110015-
540 AM CST Mon Nov 10 2025

.SYNOPSIS...Hazardous marine conditions will prevail over the
Gulf waters today into this evening and the Laguna Madre through
at least this morning. A Gale Warning is now in effect through mid
morning over the Gulf waters. A Small Craft Advisory remains in
effect until noon today for the Laguna Madre. Additional Small
Craft Advisories will likely be needed on the Gulf waters later
this morning into this evening. There should be improvement by
later this evening as the pressure gradient weakens, with
generally favorable marine conditions by Tuesday. Small Craft
Exercise Caution to Small Craft Advisory conditions return on
Wednesday and once again over the weekend.

$$

GMZ130-132-135-110015-
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-
540 AM CST Mon Nov 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...

.TODAY...North winds 20 to 25 knots decreasing to 15 to 20 knots
in the afternoon. Rough on the bay, diminishing to choppy in the
afternoon.
.TONIGHT...Northeast winds 10 to 15 knots, becoming north around
5 knots after midnight. A moderate chop on the bay, diminishing
to smooth after midnight.
.TUESDAY...Southwest winds 5 to 10 knots, becoming southeast
10 to 15 knots in the afternoon. Light chop on the bay,
increasing to a moderate chop in the afternoon.
.TUESDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
15 to 20 knots after midnight. A moderate chop on the bay,
increasing to choppy after midnight.
.FRIDAY...Southeast winds 15 to 20 knots. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Rough on the bay.

$$

GMZ150-155-110015-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
540 AM CST Mon Nov 10 2025

...GALE WARNING IN EFFECT UNTIL 9 AM CST THIS MORNING...

.TODAY...North winds 20 to 25 knots with gusts up to 35 knots,
diminishing to 15 to 20 knots this afternoon. Seas 9 to 14 feet,
occasionally to 18 feet, subsiding to 7 to 10 feet, occasionally
to 13 feet this afternoon. Wave Detail: North 11 feet at 7
seconds.
.TONIGHT...Northeast winds 10 to 15 knots, becoming east around
5 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet,
subsiding to 2 to 4 feet after midnight. Wave Detail: Northeast
5 feet at 7 seconds.
.TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 7 seconds and southeast 2 feet at 3 seconds.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 6 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 4 to 5 feet,
building to 5 to 7 feet, occasionally to 9 feet after midnight.

$$

GMZ170-175-110015-
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-
540 AM CST Mon Nov 10 2025

...GALE WARNING IN EFFECT UNTIL 9 AM CST THIS MORNING...

.TODAY...North winds 20 to 25 knots with gusts up to 35 knots,
diminishing to 15 to 20 knots this afternoon. Seas 9 to 13 feet,
occasionally to 17 feet, subsiding to 7 to 10 feet, occasionally
to 13 feet this afternoon. Wave Detail: Northeast 11 feet at 8
seconds and north 6 feet at 7 seconds.
.TONIGHT...Northeast winds 10 to 15 knots, becoming east 5 to
10 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet after midnight. Wave Detail:
North 5 feet at 7 seconds.
.TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Northeast 3 feet at 7 seconds and southeast 2 feet at 3 seconds.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: South 5 feet at 5 seconds and east 2 feet at
6 seconds.
.WEDNESDAY...South winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: South 5 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds around 15 knots. Seas 4 to 5 feet.
Wave Detail: South 4 feet at 6 seconds.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 3 to 4 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, becoming south
20 to 25 knots after midnight. Seas 4 to 5 feet, building to 5 to
7 feet, occasionally to 9 feet after midnight.

$$