Coastal Waters Forecast
Issued by NWS Brownsville, TX

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313
FZUS54 KBRO 200928
CWFBRO

Coastal Waters Forecast
National Weather Service Brownsville TX
428 AM CDT Fri Apr 20 2018

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.

GMZ100-201530-
Synopsis for Baffin Bay to Rio Grande out 60 nm-
428 AM CDT Fri Apr 20 2018

.SYNOPSIS...Light to moderate easterly winds will prevail today
as the pressure gradient tightens due to an advancing surface low
moves east out of the Rockies. The seas will remain a little
elevated into the weekend ahead of the next cold front on Sunday
with moderate northerly winds building in behind the front. High
pressure ridging will dominate early next week creating more
favorable marine conditions over the western Gulf.

$$

GMZ130-132-135-201530-
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-
428 AM CDT Fri Apr 20 2018

.TODAY...East winds 10 to 15 knots. A moderate chop on the bay.
.TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the
bay.
.SATURDAY...Southeast winds 15 to 20 knots. Choppy on the bay.
Slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots becoming south
5 to 10 knots after midnight. A moderate chop on the bay
subsiding to a light chop after midnight.
.SUNDAY...North winds 10 to 15 knots becoming northeast 15 to
20 knots in the afternoon. A moderate chop on the bay increasing
to choppy in the afternoon.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. A moderate chop on the bay
subsiding to a light chop after midnight.
.MONDAY...Northeast winds 5 to 10 knots. A light chop on the bay.
.MONDAY NIGHT...East winds 5 to 10 knots. A light chop on the
bay.
.TUESDAY...East 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.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. A moderate chop on the bay
subsiding to a light chop after midnight.

$$

GMZ150-155-201530-
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
428 AM CDT Fri Apr 20 2018

.TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet.
.TONIGHT...Southeast winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Seas 3 to 5 feet.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots becoming south
5 to 10 knots after midnight. Seas 3 to 5 feet.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 4 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 feet or
less.

$$

GMZ170-175-201530-
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-
428 AM CDT Fri Apr 20 2018

.TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. Slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet.
.SUNDAY...Northwest winds 10 to 15 knots shifting north in the
afternoon. Seas 3 to 5 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
.MONDAY...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.

$$



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