Coastal Waters Forecast
Issued by NWS Brownsville, TX

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
323
FZUS54 KBRO 192034
CWFBRO

Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
334 PM CDT Sat Jul 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.

GMZ100-200915-
334 PM CDT Sat Jul 19 2025

.SYNOPSIS...High pressure at the surface will produce generally
light to moderate winds and low to moderate seas along the Lower
Texas Coast through the week. However, Small Craft Exercise
Caution conditons are possible (especially in the northern Gulf
waters) briefly during the afternoons early this upcoming week.

$$

GMZ130-132-135-200915-
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-
334 PM CDT Sat Jul 19 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...Southeast winds around 15 knots. A moderate chop
on the bay.
.TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.SUNDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Choppy on the bay.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. A moderate chop on the bay.
.MONDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots late in the afternoon. A moderate chop on the bay,
increasing to choppy late in the afternoon.
.MONDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots in the late evening and overnight. Choppy on the
bay, diminishing to a moderate chop in the late evening and
overnight.
.TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. A moderate chop on the bay.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Light chop on the bay.

$$

GMZ150-155-200915-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
334 PM CDT Sat Jul 19 2025

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots early in the morning. Seas 2 to 3 feet.

$$

GMZ170-175-200915-
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-
334 PM CDT Sat Jul 19 2025

.REST OF TODAY...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming
south early in the morning. Seas 2 to 3 feet.

$$