871
FZUS54 KBRO 191509
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
909 AM CST Sun Jan 19 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.

GMZ100-200415-
909 AM CST Sun Jan 19 2025

.SYNOPSIS...Strong northerly flow and building seas are expected
today as high pressure surges into the region. A few gale force
gusts will be possible this morning. Marine conditions will
briefly improve late tonight into early Monday morning with winds
decreasing and shifting to the east. Winds will increase and seas
build again Monday afternoon. Hazardous marine conditions are
expected to persist through Wednesday. Precipitation is likely
Monday into Tuesday. For the latter half of the week, expect
moderate winds and seas as a coastal low approaches from the
south. This will bring a moderate chance of rain Thursday and
Friday.

$$

GMZ130-132-135-200415-
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-
909 AM CST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...North winds 20 to 25 knots with gusts up to
35 knots. Rough on the bay.
.TONIGHT...North winds 10 to 15 knots becoming northeast 5 to
10 knots after midnight. A moderate chop on the bay becoming
light chop after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Light chop on the bay. A
chance of rain in the morning, then rain likely in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots becoming north
20 to 25 knots with gusts up to 30 knots after midnight. Light
chop on the bay becoming rough after midnight. Showers.
.TUESDAY...North winds 25 to 30 knots with gusts up to 40 knots.
Very rough on the bay. Showers in the morning, then a chance of
showers and drizzle in the afternoon.
.TUESDAY NIGHT...North winds 20 to 25 knots with gusts up to
30 knots decreasing to 15 to 20 knots after midnight. Rough on
the bay becoming choppy after midnight. A slight chance of
drizzle in the evening.
.WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. A moderate chop on the bay becoming
light chop in the afternoon.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Light chop on the
bay.
.THURSDAY...North winds 10 to 15 knots. A moderate chop on the
bay. A slight chance of showers in the morning. A slight chance
of drizzle.
.THURSDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. A moderate chop on the bay becoming
light chop after midnight. A slight chance of very light drizzle.

$$

GMZ150-155-200415-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
909 AM CST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT TILL MIDNIGHT TONIGHT...
...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...North winds 25 to 30 knots decreasing to 20 to
25 knots this afternoon. Seas 8 to 11 feet, with occasional seas
up to 14 feet. Wave Detail: East 9 feet at 7 seconds and
northeast 9 feet at 8 seconds.
.TONIGHT...North winds 15 to 20 knots becoming northeast 10 to
15 knots after midnight. Seas 5 to 7 feet, with occasional seas
up to 8 feet subsiding to 4 to 5 feet after midnight. Wave
Detail: Northeast 5 feet at 7 seconds and northwest 2 feet at
4 seconds becoming northeast 4 feet at 8 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 6 feet, with
occasional seas up to 7 feet. Wave Detail: Northeast 6 feet at
7 seconds. Rain.
.MONDAY NIGHT...Southeast winds 10 to 15 knots becoming north
20 to 25 knots with gusts up to 35 knots after midnight. Seas
6 to 8 feet, with occasional seas up to 9 feet. Wave Detail: East
6 feet at 8 seconds. A slight chance of thunderstorms in the
evening. Showers.
.TUESDAY...North winds 25 to 35 knots. Seas 9 to 12 feet, with
occasional seas up to 15 feet building to 13 to 18 feet, with
occasional seas up to 23 feet in the afternoon. Wave Detail:
Northeast 12 feet at 8 seconds becoming northeast 18 feet at
11 seconds. Showers, mainly in the morning.
.TUESDAY NIGHT...North winds 25 to 30 knots decreasing to 15 to
20 knots after midnight. Seas 12 to 17 feet, with occasional seas
up to 22 feet subsiding to 8 to 13 feet, with occasional seas up
to 17 feet after midnight. Wave Detail: Northeast 17 feet at
10 seconds and northwest 2 feet at 4 seconds becoming northeast
13 feet at 10 seconds. A chance of drizzle, mainly in the
evening.
.WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. Seas 6 to 9 feet, with occasional seas
up to 11 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north
after midnight. Seas 5 to 7 feet, with occasional seas up to
8 feet. A slight chance of showers after midnight.
.THURSDAY...North winds 10 to 15 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet. A chance of drizzle.
.THURSDAY NIGHT...North winds 10 to 15 knots. Seas 5 to 7 feet,
with occasional seas up to 8 feet. A slight chance of drizzle.

Winds and seas higher in and near thunderstorms.

$$

GMZ170-175-200415-
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-
909 AM CST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT TILL MIDNIGHT TONIGHT...
...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...North winds 25 to 30 knots. Seas 11 to 13 feet,
with occasional seas up to 17 feet subsiding to 8 to 13 feet,
with occasional seas up to 17 feet this afternoon. Wave Detail:
North 12 feet at 8 seconds and southeast 1 foot at 7 seconds
becoming north 12 feet at 9 seconds and northwest 6 feet at
7 seconds.
.TONIGHT...Northeast winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 6 to 9 feet, with occasional seas
up to 11 feet subsiding to 5 to 7 feet, with occasional seas up
to 8 feet after midnight. Wave Detail: North 9 feet at 8 seconds
becoming northeast 6 feet at 8 seconds.
.MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, with
occasional seas up to 8 feet. Wave Detail: Northeast 7 feet at
7 seconds. Rain.
.MONDAY NIGHT...Southeast winds 15 to 20 knots becoming east
20 to 25 knots with gusts up to 30 knots after midnight. Seas
6 to 9 feet, with occasional seas up to 11 feet. Wave Detail:
East 8 feet at 8 seconds. Showers with a slight chance of
thunderstorms.
.TUESDAY...North winds 30 to 35 knots becoming 25 to 35 knots in
the afternoon. Seas 9 to 14 feet, with occasional seas up to
18 feet building to 15 to 20 feet, with occasional seas up to
25 feet in the afternoon. Wave Detail: Northeast 14 feet at
9 seconds becoming northeast 20 feet at 10 seconds and north
11 feet at 8 seconds. Showers.
.TUESDAY NIGHT...North winds 25 to 35 knots decreasing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 14 to
19 feet, with occasional seas up to 24 feet subsiding to 10 to
15 feet, with occasional seas up to 19 feet after midnight. Wave
Detail: Northeast 18 feet at 10 seconds and north 11 feet at
8 seconds becoming northeast 13 feet at 10 seconds and northwest
8 feet at 7 seconds. Showers likely with a chance of drizzle in
the evening, then a chance of showers with a slight chance of
drizzle after midnight.
.WEDNESDAY...North winds 15 to 20 knots decreasing to around
10 knots in the afternoon. Seas 8 to 11 feet, with occasional
seas up to 14 feet subsiding to 7 to 9 feet, with occasional seas
up to 11 feet in the afternoon. A slight chance of drizzle in the
morning. A slight chance of showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming around
10 knots after midnight. Seas 6 to 8 feet, with occasional seas
up to 9 feet. A slight chance of showers after midnight.
.THURSDAY...North winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Seas 6 to 8 feet, with occasional seas
up to 9 feet. A chance of showers in the morning. A chance of
drizzle.
.THURSDAY NIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 5 to 7 feet, with occasional seas
up to 8 feet. A chance of showers in the evening. A slight chance
of drizzle.

Winds and seas higher in and near thunderstorms.

$$