FZUS54 KBRO 190704
CWFBRO
Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
104 AM CST Fri Dec 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.
GMZ100-191930-
104 AM CST Fri Dec 19 2025
.SYNOPSIS...A cold front moved through the Lower Texas Coast
resulting in hazardous conditions, thus a Small Craft Advisory
has been issued for tonight into later this morning for all
waters off the Lower Texas Coast. Marine conditions look to
improve thereafter with low to moderate seas and winds prevailing
through the remainder of the forecast period.
$$
GMZ130-132-135-191930-
Laguna Madre from the Port of Brownsville to the Arroyo Colorado-
Laguna Madre from the Arroyo Colorado To 5 NM north of Port
Mansfield TX-
Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX-
104 AM CST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
.TODAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots late this afternoon. A moderate chop on the bay,
diminishing to light chop late this afternoon.
.TONIGHT...East winds around 5 knots, becoming south after
midnight. Smooth on the bay.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Light chop on the
bay.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Light chop on the bay.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
.MONDAY...Southeast winds 5 to 10 knots. Light chop on the bay. A
slight chance of showers in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
.TUESDAY...Southeast winds 5 to 10 knots. Light chop on the bay.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
$$
GMZ150-155-191930-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
104 AM CST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
.TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 7 seconds and southeast
1 foot at 5 seconds.
.TONIGHT...East winds 5 to 10 knots, becoming south early in the
morning. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
6 seconds.
.SATURDAY...South winds 5 to 10 knots, increasing to 10 to
15 knots late in the afternoon. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of
showers after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
$$
GMZ170-175-191930-
Gulf waters from Port Mansfield to the Rio Grande extending from
20 to 60 nm-
Gulf waters from Baffin Bay to Port Mansfield extending from
20 to 60 nm-
104 AM CST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
.TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 4 to 5 feet this afternoon. Wave Detail:
Northeast 6 feet at 7 seconds and south 1 foot at 5 seconds,
becoming northeast 5 feet at 7 seconds and south 1 foot at
5 seconds.
.TONIGHT...East winds around 10 knots, becoming south early in
the morning. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at
7 seconds and south 1 foot at 5 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds and south 2 feet at 4 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds. A slight chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight
chance of thunderstorms early in the evening. A slight chance of
showers.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers in the morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
4 feet.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet.
Winds and seas higher in and near thunderstorms.
$$
CWFBRO
Coastal Waters Forecast for the Lower Texas Coast
National Weather Service Brownsville TX
104 AM CST Fri Dec 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.
GMZ100-191930-
104 AM CST Fri Dec 19 2025
.SYNOPSIS...A cold front moved through the Lower Texas Coast
resulting in hazardous conditions, thus a Small Craft Advisory
has been issued for tonight into later this morning for all
waters off the Lower Texas Coast. Marine conditions look to
improve thereafter with low to moderate seas and winds prevailing
through the remainder of the forecast period.
$$
GMZ130-132-135-191930-
Laguna Madre from the Port of Brownsville to the Arroyo Colorado-
Laguna Madre from the Arroyo Colorado To 5 NM north of Port
Mansfield TX-
Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX-
104 AM CST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
.TODAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots late this afternoon. A moderate chop on the bay,
diminishing to light chop late this afternoon.
.TONIGHT...East winds around 5 knots, becoming south after
midnight. Smooth on the bay.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots late in the afternoon. Light chop on the bay, increasing
to a moderate chop late in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Light chop on the
bay.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Light chop on the bay.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
.MONDAY...Southeast winds 5 to 10 knots. Light chop on the bay. A
slight chance of showers in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
.TUESDAY...Southeast winds 5 to 10 knots. Light chop on the bay.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the
bay.
$$
GMZ150-155-191930-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
104 AM CST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
.TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 7 seconds and southeast
1 foot at 5 seconds.
.TONIGHT...East winds 5 to 10 knots, becoming south early in the
morning. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
6 seconds.
.SATURDAY...South winds 5 to 10 knots, increasing to 10 to
15 knots late in the afternoon. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of
showers after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
$$
GMZ170-175-191930-
Gulf waters from Port Mansfield to the Rio Grande extending from
20 to 60 nm-
Gulf waters from Baffin Bay to Port Mansfield extending from
20 to 60 nm-
104 AM CST Fri Dec 19 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
.TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots this afternoon. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 4 to 5 feet this afternoon. Wave Detail:
Northeast 6 feet at 7 seconds and south 1 foot at 5 seconds,
becoming northeast 5 feet at 7 seconds and south 1 foot at
5 seconds.
.TONIGHT...East winds around 10 knots, becoming south early in
the morning. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at
7 seconds and south 1 foot at 5 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 7 seconds and south 2 feet at 4 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast late in
the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds. A slight chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight
chance of thunderstorms early in the evening. A slight chance of
showers.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers in the morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
4 feet.
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet.
Winds and seas higher in and near thunderstorms.
$$