618
FZUS54 KBRO 051802
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1202 PM CST Wed Nov 5 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.

GMZ100-060630-
1202 PM CST Wed Nov 5 2025

.SYNOPSIS...Favorable marine conditions continue through Saturday
with gentle to moderate southeasterly to southerly winds and
slight (1-2 ft) seas. In wake of a cold front passage on Sunday,
winds turn out of the north and increase to strong with seas
building to 5-8 ft or higher, likely leading to Small Craft
Advisories.

$$

GMZ130-132-135-060630-
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-
1202 PM CST Wed Nov 5 2025

.TODAY...South winds around 5 knots, becoming southeast this
afternoon. Smooth on the bay, increasing to light chop this
afternoon.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Light chop on the bay.
.THURSDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Smooth on the bay, increasing to light chop in the
afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Light chop on the bay.
.FRIDAY...South 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.
.FRIDAY NIGHT...South winds 10 to 15 knots. A moderate chop on
the bay.
.SATURDAY...South 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.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. A moderate chop on the bay,
diminishing to light chop after midnight.
.SUNDAY...North winds 15 to 20 knots, becoming northeast 20 to
25 knots in the afternoon. Choppy on the bay, increasing to rough
in the afternoon.
.SUNDAY NIGHT...North winds 20 to 25 knots. Rough on the bay.

$$

GMZ150-155-060630-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1202 PM CST Wed Nov 5 2025

.TODAY...South winds 5 to 10 knots, becoming southeast this
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds.
.THURSDAY...Southeast winds around 5 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
6 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 3 seconds and east 2 feet at 7 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 2 feet at
7 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 2 to 3 feet, building to 3 to
5 feet in the afternoon.
.SUNDAY NIGHT...North winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet, building to 6 to 9 feet, occasionally to
11 feet after midnight.

$$

GMZ170-175-060630-
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-
1202 PM CST Wed Nov 5 2025

.TODAY...South winds 5 to 10 knots, becoming southeast this
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
7 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 7 seconds.
.THURSDAY...East winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
6 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 3 seconds and east 2 feet at 7 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: South 2 feet at 4 seconds and east 2 feet at
7 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet,
building to 3 to 5 feet in the afternoon. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet.

Winds and seas higher in and near thunderstorms.

$$