Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 300310
CWFBRO

Coastal Waters Forecast
National Weather Service Brownsville TX
1010 PM CDT Thu Jul 29 2021

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.

GMZ100-301515-
Synopsis for Baffin Bay to Rio Grande out 60 nm-
1010 PM CDT Thu Jul 29 2021

.SYNOPSIS...A weak upper level low pressure trough will provide sufficient
moisture to maintain scattered to locally numerous mainly late
night through early afternoon showers and thunderstorms across
the Gulf waters Friday and Saturday. Outside of these times,
light winds and slight seas will prevail. For Sunday through
Tuesday, broad high pressure across the Gulf with weak low
pressure across the lee of the Sierra Madre will maintain light
to moderate southeast flow and a slight increase in seas, with
just a stray late night or morning shower or thunderstorm.

$$

GMZ130-132-135-301515-
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-
1010 PM CDT Thu Jul 29 2021

.REST OF TONIGHT...East winds 5 to 10 knots shifting south after
midnight. A light chop on the bay.
.FRIDAY...South winds 5 to 10 knots shifting southeast 10 knots in
the afternoon. A light chop on the bay. Isolated to scattered showers
and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots diminishing to
south 5 to 10 knots after midnight. A moderate chop on the bay
subsiding to a light chop after midnight.
.SATURDAY...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. Slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. A moderate chop on the bay becoming a
light chop late.
.SUNDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. A light chop on the bay building to a
moderate chop in the afternoon.
.SUNDAY 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.
.MONDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. A light chop on the bay building to a
moderate chop in the afternoon.
.MONDAY 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.
.TUESDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. A light chop on the bay building to a
moderate chop in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop
on the bay.

$$

GMZ150-155-301515-
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
1010 PM CDT Thu Jul 29 2021

.REST OF TONIGHT...Southeast winds 5 to 10 knots shifting south
after midnight. Seas 2 feet. Slight chance of showers and
thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots shifting southeast in the
afternoon. Seas 2 feet. Wind and seas higher in scattered showers
and isolated thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Slight chance of
showers and thunderstorms through the day.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Slight chance of
showers and thunderstorms.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Slight chance of showers and thunderstorms.

$$

GMZ170-175-301515-
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-
1010 PM CDT Thu Jul 29 2021

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 2 feet. Slight
chance of showers and thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Winds and
seas higher in scattered showers and isolated thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Slight chance of
showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Seas 2 to 3 feet. Slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms.

$$

Update...52/BSG


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