Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

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949
FZUS54 KCRP 210529
CWFCRP

Coastal Waters Forecast for Texas
National Weather Service Corpus Christi TX
1229 AM CDT Sun Sep 21 2025

Middle Texas coastal waters from Baffin Bay to Matagorda ship
channel out to 60 nautical miles.

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with occasional height of the average
highest 10 percent of the waves.


GMZ200-211815-
1229 AM CDT Sun Sep 21 2025

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...

A gentle to moderate (BF 3-4) onshore breeze will continue through
the middle of the week. A frontal boundary is expected to move
through the area by Thursday, switching winds to the northwest
briefly before winds return to a southeasterly flow for the upcoming
weekend. There is a low to medium (30-60%) chance of showers and
thunderstorms each day.

$$

GMZ236-237-211815-
Copano, Aransas, and Redfish Bays-
San Antonio, Mesquite, and Espiritu Santo Bays-
1229 AM CDT Sun Sep 21 2025

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots late. Bay and inland waters slightly choppy to
occasionally choppy. A slight chance of showers and thunderstorms
early this morning, then a chance of showers and thunderstorms
late this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south 5 to
10 knots after midnight. Bay and inland waters slightly choppy to
occasionally choppy. A slight chance of showers in the evening.
.MONDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay and inland waters slightly choppy
to occasionally choppy. A chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy. A slight chance of
showers.
.TUESDAY...South winds 10 to 15 knots. Bay and inland waters
slightly choppy to occasionally choppy. A chance of showers with
a slight chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy.
.WEDNESDAY...South winds around 10 knots. Bay and inland waters
slightly choppy. A chance of showers. A chance of thunderstorms
in the afternoon.
.WEDNESDAY NIGHT...South winds around 10 knots. Bay and inland
waters slightly choppy. A chance of showers in the evening, then
showers likely with a chance of thunderstorms after midnight.
.THURSDAY...Northwest winds around 10 knots, becoming northeast
in the afternoon. Bay and inland waters smooth to slightly
choppy. A chance of thunderstorms. Showers likely, mainly in the
morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming north after
midnight. Bay and inland waters smooth to slightly choppy. A
chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ231-232-211815-
Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1229 AM CDT Sun Sep 21 2025

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots this afternoon. Bay and inland
waters slightly choppy to occasionally choppy. A chance of
showers. A slight chance of thunderstorms early this morning,
then a chance of thunderstorms late this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Bay and inland waters
slightly choppy to occasionally choppy. A slight chance of
showers and thunderstorms.
.MONDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay and
inland waters slightly choppy to occasionally choppy. A slight
chance of thunderstorms. A chance of showers, mainly in the
morning.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy. A slight chance of
showers. A slight chance of thunderstorms after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Bay and inland waters
slightly choppy to occasionally choppy. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy.
.WEDNESDAY...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy. A chance of
showers. A chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Bay and inland waters slightly choppy to
occasionally choppy. A chance of showers in the evening, then
showers likely after midnight.
.THURSDAY...Northwest winds 10 to 15 knots, becoming northeast in
the afternoon. Bay and inland waters slightly choppy to
occasionally choppy. A chance of thunderstorms. Showers likely,
mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming southwest
after midnight. Bay and inland waters smooth. A chance of
showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ255-211815-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
1229 AM CDT Sun Sep 21 2025

.TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of showers
and thunderstorms early this morning, then a chance of showers
and thunderstorms late this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A slight chance of
showers. A slight chance of thunderstorms after midnight.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of
showers in the evening, then a chance of showers after midnight.
.TUESDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds around 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at
5 seconds. A chance of showers after midnight.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
2 feet. A chance of showers in the evening, then showers likely
with a chance of thunderstorms after midnight.
.THURSDAY...Northwest winds 10 to 15 knots, becoming northeast
5 to 10 knots in the afternoon. Seas around 2 feet. A chance of
thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Seas around 2 feet. A chance of
showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ250-211815-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1229 AM CDT Sun Sep 21 2025

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots late. Seas around 2 feet. Wave Detail: Southeast 2 feet
at 5 seconds. A chance of showers and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of showers
and thunderstorms.
.MONDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers.
A chance of thunderstorms, mainly in the morning.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of
showers in the evening, then a chance of showers with a slight
chance of thunderstorms after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers
with a slight chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds around 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at
5 seconds. A chance of showers after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Seas 2 to 3 feet. A chance of showers in the
evening, then showers likely after midnight.
.THURSDAY...Northwest winds 10 to 15 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. A chance of thunderstorms.
Showers likely, mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming southwest
after midnight. Seas around 2 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ270-275-211815-
Waters from Baffin Bay to Port Aransas from 20 to 60 NM-
Waters from Port Aransas to Matagorda Ship Channel from 20 to
60 NM-
1229 AM CDT Sun Sep 21 2025

.TODAY...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers.
A slight chance of thunderstorms early this morning, then a
chance of thunderstorms late this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A chance of showers with a
slight chance of thunderstorms.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers.
A slight chance of thunderstorms after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at
5 seconds. A chance of showers after midnight.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
2 feet. A chance of showers in the evening, then showers likely
with a chance of thunderstorms after midnight.
.THURSDAY...West winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Seas 2 to 3 feet. A chance of
thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots, becoming northwest
after midnight. Seas around 2 feet. A chance of showers.

Winds and seas higher in and near thunderstorms.

$$