245
FZUS54 KBRO 070659
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
1259 AM 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.

GMZ100-071915-
1259 AM CST Sun Dec 7 2025

.SYNOPSIS...Favorable conditions with moderate winds of varying
directions and slight seas continues through late this afternoon.
The passage of cold front later today into tonight will bring
strong northerly winds and building rough seas. Small Craft
Advisory Conditions are likely tonight into Monday. Favorable
conditions return Tuesday and persist through the workweek.

$$

GMZ130-132-135-071915-
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-
1259 AM CST Sun Dec 7 2025

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

.TODAY...West winds around 5 knots, becoming north late this
afternoon. Smooth on the bay, increasing to light chop late this
afternoon. Areas of dense fog early this morning. Patchy fog late
this morning.
.TONIGHT...North winds 15 to 20 knots with gusts up to 30 knots,
increasing to 20 to 25 knots with gusts up to 30 knots early in
the morning. Choppy on the bay, increasing to rough early in the
morning.
.MONDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Rough on the bay, diminishing to
choppy in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots in the late evening and overnight. A moderate chop
on the bay, diminishing to light chop in the late evening and
overnight.
.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 10 to 15 knots. A moderate chop on the
bay.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. A moderate chop on
the bay.
.THURSDAY...South winds 10 to 15 knots. A moderate chop on the
bay.
.THURSDAY NIGHT...South winds around 10 knots. Light chop on the
bay.

$$

GMZ150-155-071915-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
1259 AM CST Sun Dec 7 2025

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

.TODAY...West winds around 5 knots, becoming northwest early this
afternoon, then becoming north 10 to 15 knots late this
afternoon. Seas 1 to 2 feet. Wave Detail: Northwest 2 feet at
3 seconds and east 2 feet at 5 seconds. Areas of dense fog early
this morning.
.TONIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots with gusts up to 30 knots in the late evening and
overnight. Seas 3 to 5 feet, building to 5 to 7 feet,
occasionally to 9 feet after midnight. Wave Detail: Northeast
5 feet at 6 seconds, becoming northeast 7 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 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, subsiding to 2 to
3 feet after midnight. Wave Detail: North 5 feet at 6 seconds,
becoming northeast 3 feet at 7 seconds.
.TUESDAY...East winds 5 to 10 knots, becoming around 5 knots 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
10 to 15 knots 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.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots, becoming southwest
early in the morning. Seas 2 to 3 feet.

$$

GMZ170-175-071915-
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-
1259 AM CST Sun Dec 7 2025

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

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

$$