Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 221511
CWFBRO

Coastal Waters Forecast
National Weather Service Brownsville TX
1011 AM CDT Tue Aug 22 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.

GMZ100-222130-
Synopsis for Baffin Bay to Rio Grande out 60 nm-
1011 AM CDT Tue Aug 22 2017

.SYNOPSIS...Favorable marine conditions are anticipated through the middle of
this week under the influence of high pressure. Adverse marine
conditions are then expected for the remainder of the week and
into the first half of the weekend as a tropical system organizes
in the Bay of Campeche and moves towards the Lower Texas Coast.
Mariners are urged to monitor the Coastal Waters Forecast closely
for the remainder of this week.

$$

GMZ130-132-135-222130-
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-
1011 AM CDT Tue Aug 22 2017

.REST OF TODAY...East winds 5 to 10 knots. A light chop on the
bay. Slight chance of showers and thunderstorms.
.TONIGHT...East winds 5 to 10 knots. A light chop on the bay.
Slight chance of showers and thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. A light chop on the bay increasing to
a moderate chop in the afternoon. Slight chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots diminishing to around
5 knots after midnight. A light chop on the bay subsiding to
smooth after midnight. Slight chance of showers and
thunderstorms.
.THURSDAY...East winds 10 to 15 knots. A moderate chop on the
bay. Chance of showers and thunderstorms.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots increasing to
20 to 25 knots after midnight. A moderate chop on the bay
increasing to rough after midnight. Showers and thunderstorms
likely.
.FRIDAY...Northeast winds 15 to 25 knots shifting east 15 to
20 knots in the afternoon. Rough on the bay subsiding to choppy
in the afternoon. Showers and thunderstorms likely.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots shifting south
after midnight. Choppy on the bay. Showers and thunderstorms
likely.
.SATURDAY...South winds 15 to 20 knots. Choppy on the bay. Chance
of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. A moderate chop on
the bay. Chance of showers and thunderstorms.

$$

GMZ150-155-222130-
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
1011 AM CDT Tue Aug 22 2017

.REST OF TODAY...East winds around 5 knots increasing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet. Slight chance of
showers and thunderstorms.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Slight
chance of showers and thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Slight chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 40 knots after midnight. Seas
5 to 8 feet with occasional seas up to 9 feet. Showers and
thunderstorms likely.
.FRIDAY...East winds 15 to 25 knots shifting southeast in the
afternoon. Seas 6 to 8 feet with occasional seas up to 9 feet.
Showers and thunderstorms likely.
.FRIDAY NIGHT...South winds 15 to 25 knots. Seas 5 to 8 feet with
occasional seas up to 9 feet. Chance of showers and
thunderstorms.
.SATURDAY...South winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. Chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet.
Chance of showers and thunderstorms.

$$

GMZ170-175-222130-
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-
1011 AM CDT Tue Aug 22 2017

.REST OF TODAY...East winds 5 to 10 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms.
.TONIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. Seas 3 to 5 feet. Slight chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet. Slight chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet.
Chance of showers and thunderstorms.
.THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots in the afternoon. Seas 5 to 7 feet with occasional seas
up to 8 feet. Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 15 to 25 knots with gusts to around
40 knots. Seas 7 to 10 feet with occasional seas up to 12 feet.
Showers and thunderstorms likely.
.FRIDAY...Southeast winds 15 to 25 knots. Seas 9 to 11 feet with
occasional seas up to 13 feet. Showers and thunderstorms likely.
.FRIDAY NIGHT...South winds 20 to 30 knots. Seas 7 to 9 feet with
occasional seas up to 10 feet. Chance of showers and
thunderstorms.
.SATURDAY...South winds 15 to 25 knots becoming 15 to 20 knots in
the afternoon. Seas 6 to 8 feet with occasional seas up to
9 feet. Showers and thunderstorms likely.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 8 feet. Chance of showers and
thunderstorms.

$$


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