Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 130336
CWFBRO

Coastal Waters Forecast
National Weather Service Brownsville TX
936 PM CST Tue Dec 12 2017

Lower Texas coastal waters from Baffin Bay to the mouth of the
Rio Grande out to 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.

GMZ100-130930-
Synopsis for Baffin Bay to Rio Grande out 60 nm-
936 PM CST Tue Dec 12 2017

.SYNOPSIS...A cold front Thursday night will result in fresh to
strong north winds through Friday. Moderate to high seas will also
develop on the Gulf waters Thursday night through Saturday.

$$

GMZ130-132-135-130930-
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-
936 PM CST Tue Dec 12 2017

.REST OF TONIGHT...North winds 5 to 10 knots. A light chop on the
bay.
.WEDNESDAY...North winds around 5 knots shifting northeast in the
afternoon. Smooth on the bay.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. A light chop on the
bay.
.THURSDAY...Southwest winds around 5 knots shifting east in the
afternoon. Smooth on the bay.
.THURSDAY NIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots after midnight. A moderate chop on the bay increasing to
choppy after midnight. Chance of rain.
.FRIDAY...North winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. Choppy on the bay subsiding to a
moderate chop in the afternoon. Chance of rain.
.FRIDAY NIGHT...North winds 5 to 10 knots becoming northeast
after midnight. A light chop on the bay subsiding to smooth after
midnight. Chance of rain.
.SATURDAY...Southeast winds 5 to 10 knots. A light chop on the
bay. Chance of rain.
.SATURDAY NIGHT...South winds 10 to 15 knots. A moderate chop on
the bay. Slight chance of rain.
.SUNDAY...South winds 10 to 15 knots. A moderate chop on the bay.
Slight chance of showers.
.SUNDAY NIGHT...West winds 5 to 10 knots shifting north after
midnight. A light chop on the bay. Slight chance of showers.

$$

GMZ150-155-130930-
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
936 PM CST Tue Dec 12 2017

.REST OF TONIGHT...North winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Seas 2 to 4 feet.
.WEDNESDAY...North winds around 5 knots. Seas 2 to 3 feet
subsiding to 2 feet or less in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet or
less.
.THURSDAY...Southwest winds around 5 knots. Seas 2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Seas 2 feet or less building to 3 to
5 feet after midnight. Chance of rain.
.FRIDAY...North winds 15 to 20 knots. Seas 6 to 9 feet with
occasional seas up to 10 feet. Chance of rain.
.FRIDAY NIGHT...North winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. Seas 5 to 8 feet with occasional
seas up to 9 feet. Chance of rain.
.SATURDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet. Chance of rain.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of rain.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Slight
chance of showers.
.SUNDAY NIGHT...West winds 10 to 15 knots shifting north after
midnight. Seas 2 to 4 feet. Chance of showers.

$$

GMZ170-175-130930-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
936 PM CST Tue Dec 12 2017

.REST OF TONIGHT...North winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Seas 2 to 4 feet.
.WEDNESDAY...North winds around 5 knots shifting west in the
afternoon. Seas 2 to 3 feet subsiding to 2 feet or less in the
afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 feet or
less.
.THURSDAY...West winds 5 to 10 knots. Seas 2 to 3 feet subsiding
to 2 feet or less in the afternoon. Slight chance of rain in the
afternoon.
.THURSDAY NIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Seas 3 to 5 feet. Chance of rain.
.FRIDAY...North winds 15 to 25 knots becoming 15 to 20 knots in
the afternoon. Seas 6 to 9 feet with occasional seas up to
10 feet. Chance of rain.
.FRIDAY NIGHT...North winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. Seas 5 to 8 feet with occasional
seas up to 9 feet. Chance of rain.
.SATURDAY...East winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Seas 4 to 6 feet with occasional seas
up to 7 feet. Chance of rain.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet.
Chance of rain.
.SUNDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet. Chance of showers.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots shifting northwest
after midnight. Seas 2 to 4 feet. Chance of showers.

$$



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