887
FZUS54 KBRO 120556
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1256 AM CDT Sun Oct 12 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.

GMZ100-121815-
1256 AM CDT Sun Oct 12 2025

.SYNOPSIS...Generally favorable conditions are expected through
the period. Light to moderate onshore winds, moderate to slight
seas, and low rain chances should prevail by the end of the
weekend and continue through next week. Tropical moisture
increasing over the region may bring a low to medium chance of
rain on Tuesday.

$$

GMZ130-132-135-121815-
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-
1256 AM CDT Sun Oct 12 2025

.TODAY...Southeast winds around 5 knots, increasing to 5 to
10 knots this afternoon. Smooth on the bay, increasing to light
chop this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Light chop on the bay.
.MONDAY...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots in the afternoon. Light chop on the bay, increasing to a
moderate chop in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay.
A slight chance of showers.
.TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. Light chop on the bay, increasing to a moderate
chop in the afternoon. A slight chance of showers until late
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay.
.WEDNESDAY...East winds 5 to 10 knots. Light chop on the bay.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Light chop on the bay.
.THURSDAY...Southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Smooth on the bay, increasing to light
chop in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on
the bay.

$$

GMZ150-155-121815-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1256 AM CDT Sun Oct 12 2025

.TODAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 8 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 8 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 8 seconds. A slight chance of showers late
in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds. A slight chance of showers.
.TUESDAY...East winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. A slight chance of showers
until late afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: East 3 feet at 6 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet.

$$

GMZ170-175-121815-
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-
1256 AM CDT Sun Oct 12 2025

.TODAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 8 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds.
.MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 8 seconds. A slight chance of showers late
in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds. A slight chance of showers.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 6 seconds. A slight chance of showers
until late afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: East 3 feet at 5 seconds.
.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.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. A slight chance of showers.

$$