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National Weather Service Marine Forecast FZUS54 KBRO

FZUS54 KBRO 231600
CWFBRO

Coastal Waters Forecast
National Weather Service Brownsville TX
1000 AM CST Mon Nov 23 2020

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.

GMZ100-240400-
Synopsis for Baffin Bay to Rio Grande out 60 nm-
1000 AM CST Mon Nov 23 2020

SYNOPSIS
A weak cold front stays north of the lower Texas
coastal waters today keeping winds light to moderate. Southerly
winds strengthen tonight and Tuesday with a low pressure system 
approaching northwest Texas. Small Craft Advisories will be
possible late tonight and Tuesday. A light to moderate onshore
flow expected for the rest of the work week. Moderate seas persist
today with a slight increase tonight with the stronger wind. An
isolated shower or two is possible well offshore today with a few
nearing the coast tonight and Tuesday morning.



GMZ130-132-135-240400-
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-
1000 AM CST Mon Nov 23 2020

REST OF TODAY
East winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. A light chop on the bay building to a
moderate chop in the afternoon.

TONIGHT
Southeast winds 10 to 15 knots. A moderate chop on the
bay. Slight chance of showers after midnight.

TUESDAY
Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. A moderate chop on the bay building to
choppy in the afternoon. Slight chance of showers in the morning.

TUESDAY NIGHT
South winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Choppy on the bay subsiding to a
moderate chop after midnight.

WEDNESDAY
South winds 10 to 15 knots becoming southeast 5 to
10 knots in the afternoon. A moderate chop on the bay subsiding
to a light chop in the afternoon.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots. A light chop on
the bay.

THURSDAY
Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. A light chop on the bay building to a
moderate chop in the afternoon.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. A moderate chop
on the bay.

FRIDAY
Southeast winds 10 to 15 knots. A moderate chop on the
bay. Slight chance of showers and thunderstorms.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. A moderate chop
on the bay. Slight chance of showers and thunderstorms.



GMZ150-155-240400-
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
1000 AM CST Mon Nov 23 2020

REST OF 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. Slight chance of showers after
midnight.

TUESDAY
South winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. Slight chance of showers in the
morning.

TUESDAY NIGHT
South winds 15 to 20 knots. Seas 3 to 5 feet.

WEDNESDAY
South winds 10 to 15 knots becoming southeast 5 to
10 knots in the afternoon. Seas 3 to 5 feet.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to
4 feet.

THURSDAY
Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to
5 feet.

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms.



GMZ170-175-240400-
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-
1000 AM CST Mon Nov 23 2020

REST OF TODAY
East winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers.

TONIGHT
Southeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. Slight chance of showers after
midnight.

TUESDAY
South winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. Slight chance of showers in the
morning.

TUESDAY NIGHT
South winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 8 feet.

WEDNESDAY
South winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Seas 4 to 6 feet with occasional seas
up to 7 feet.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots. Seas 3 to
5 feet.

THURSDAY
Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to
5 feet.

FRIDAY
Southeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. Slight chance of showers and
thunderstorms.

FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms.