863
FZUS54 KBRO 120824
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
324 AM CDT Mon May 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.

GMZ100-122115-
324 AM CDT Mon May 12 2025

.SYNOPSIS...Light to moderate southeasterly winds will support
light seas through this evening. Winds will begin increasing early
Tuesday, building seas along the Lower Texas Coast. Small Craft
Should Exercise Caution headlines or Small Craft Advisories may be
needed Tuesday through Thursday.

$$

GMZ130-132-135-122115-
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-
324 AM CDT Mon May 12 2025

.TODAY...Southwest winds 5 to 10 knots, becoming northeast early
this afternoon, then becoming east late this afternoon. Light
chop on the bay, diminishing to smooth early this afternoon, then
increasing to light chop late this afternoon.
.TONIGHT...Southeast winds around 10 knots, becoming south in the
late evening and early morning, then increasing to 15 to 20 knots
early in the morning. Light chop on the bay, increasing to a
moderate chop in the late evening and early morning, then
increasing to choppy early in the morning.
.TUESDAY...South winds 15 to 20 knots. Choppy on the bay.
.TUESDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY...South winds 15 to 20 knots. Choppy on the bay.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Choppy on the bay.
.THURSDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Rough on the bay.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the
bay.
.FRIDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Choppy on the bay.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.

$$

GMZ150-155-122115-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
324 AM CDT Mon May 12 2025

.TODAY...Southwest winds 5 to 10 knots, becoming southeast late
this afternoon. Seas 1 to 2 feet. Wave Detail: Southwest 2 feet
at 4 seconds and northeast 1 foot at 6 seconds.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south 15 to
20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 5 seconds.
.TUESDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: South 4 feet at 5 seconds.
.TUESDAY NIGHT...South winds around 20 knots. Seas 4 to 5 feet.
Wave Detail: South 5 feet at 6 seconds.
.WEDNESDAY...South winds around 20 knots. Seas 4 to 5 feet. Wave
Detail: Southeast 5 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 5 feet at 6 seconds.
.THURSDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots late in the afternoon. Seas 4 to 5 feet.
.THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet.

$$

GMZ170-175-122115-
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-
324 AM CDT Mon May 12 2025

.TODAY...Southwest winds 10 to 15 knots, becoming west 5 to
10 knots early this afternoon, then becoming south late this
afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at
4 seconds and northeast 1 foot at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots in the late evening and early morning, then increasing
to 15 to 20 knots early in the morning. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.TUESDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: South 5 feet at 6 seconds.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: South 5 feet at 6 seconds.
.WEDNESDAY...South winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: South 5 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: South 5 feet at 6 seconds.
.THURSDAY...South winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet.
.FRIDAY...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 5 feet.
.FRIDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
6 feet, occasionally to 8 feet.

$$