662
FZUS54 KBRO 222200
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
400 PM CST Wed Jan 22 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.

GMZ100-231015-
400 PM CST Wed Jan 22 2025

.SYNOPSIS...Onshore flow will shift northerly tonight, increasing
to moderate to fresh during the day. A coastal trough to our south
will increase chances of precipitation over the waters Thursday
and Thursday night, with a higher chance over the southernmost
waters off the Lower Texas Coast. Early Friday, northeasterly
winds may increase to strong before shifting southerly on
Saturday. Periods of Small Craft Should Exercise Caution and
Small Craft Advisory may be possible this weekend.

$$

GMZ130-132-135-231015-
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-
400 PM CST Wed Jan 22 2025

.TONIGHT...Southeast winds around 5 knots, becoming southwest
late this evening, then becoming north after midnight. Smooth on
the bay, increasing to light chop after midnight.
.THURSDAY...North winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Choppy on the bay. A slight chance of
very light drizzle early in the morning. A chance of showers.
.THURSDAY NIGHT...North winds 15 to 20 knots. Choppy on the bay.
A chance of showers.
.FRIDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon, then becoming northeast 5 to 10 knots
late in the afternoon. Choppy on the bay, diminishing to a
moderate chop in the afternoon, then diminishing to light chop
late in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots, becoming southeast
early in the morning. Light chop on the bay.
.SATURDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay.
.SATURDAY NIGHT...South winds 10 to 15 knots. A moderate chop on
the bay.
.SUNDAY...South winds 10 to 15 knots. A moderate chop on the bay.
A slight chance of showers.
.SUNDAY NIGHT...Southeast winds around 10 knots, becoming east
early in the morning. Light chop on the bay. A slight chance of
showers.
.MONDAY...Northeast winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers.
.MONDAY NIGHT...Northeast winds around 10 knots. Light chop on
the bay. A slight chance of showers.

$$

GMZ150-155-231015-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
400 PM CST Wed Jan 22 2025

.TONIGHT...Southeast winds around 5 knots, becoming north after
midnight, then increasing to 10 to 15 knots early this morning.
Seas 3 to 5 feet. Wave Detail: East 5 feet at 9 seconds. A slight
chance of very light drizzle after midnight.
.THURSDAY...North winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet, building to 5 to
7 feet, occasionally to 9 feet in the afternoon. Wave Detail:
North 5 feet at 8 seconds, becoming northeast 5 feet at
6 seconds. A chance of showers.
.THURSDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: North 6 feet at 5 seconds. Showers likely,
mainly in the evening.
.FRIDAY...North winds 15 to 20 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet in the afternoon. Wave Detail:
Northeast 6 feet at 7 seconds and northwest 2 feet at 4 seconds,
becoming northeast 5 feet at 7 seconds.
.FRIDAY NIGHT...East winds around 10 knots, becoming southeast
early in the morning. Seas 2 to 3 feet. Wave Detail: Northeast
3 feet at 6 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 6 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers after
midnight.
.SUNDAY...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
A slight chance of showers in the evening, then a chance of
showers after midnight.
.MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. A
chance of showers.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
A slight chance of showers.

$$

GMZ170-175-231015-
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-
400 PM CST Wed Jan 22 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.TONIGHT...Southeast winds 5 to 10 knots, becoming north early
this morning. Seas 3 to 5 feet. Wave Detail: East 5 feet at
9 seconds. A slight chance of very light drizzle after midnight.
A slight chance of showers and very light drizzle early this
morning.
.THURSDAY...North winds 10 to 15 knots, becoming northeast 15 to
20 knots in the afternoon. Seas 4 to 5 feet, building to 5 to
7 feet, occasionally to 9 feet in the afternoon. Wave Detail:
Northeast 5 feet at 8 seconds, becoming north 6 feet at
6 seconds. Showers likely early in the morning, then a chance of
showers in the afternoon. Showers likely late in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots, becoming north
20 to 25 knots with gusts up to 30 knots after midnight. Seas
6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast
7 feet at 7 seconds. Showers likely.
.FRIDAY...North winds 20 to 25 knots with gusts up to 30 knots,
becoming northeast 10 to 15 knots. Seas 6 to 8 feet, occasionally
to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in
the afternoon. Wave Detail: Northeast 8 feet at 7 seconds,
becoming northeast 6 feet at 7 seconds. A slight chance of
showers in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots, becoming southeast
early in the morning. Seas 3 to 4 feet. Wave Detail: East 4 feet
at 6 seconds.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 6 feet at
6 seconds. A slight chance of showers.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers.
.SUNDAY...South winds 15 to 20 knots, becoming southeast 10 to
15 knots late in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. A chance of showers.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers.
.MONDAY...Southeast winds 10 to 15 knots, becoming east in the
afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A chance of
showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. A
slight chance of showers.

$$