Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

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000
FZUS54 KCRP 202038
CWFCRP

Coastal Waters Forecast
National Weather Service Corpus Christi TX
338 PM CDT Fri Apr 20 2018

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.

GMZ200-211000-
338 PM CDT Fri Apr 20 2018

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Moderate onshore flow will persist tonight into Saturday. A few
showers may occur late tonight. Scattered showers and
thunderstorms are expected Saturday with rain chances diminishing
Saturday night. A cold front will move through the Middle Texas
Coastal Waters late Saturday night into Sunday morning. Moderate
northerly winds will occur behind the front but then weaken on
Monday. A weak wind regime will exist on Monday night and Tuesday,
with a high pressure ridge over the Western Gulf of Mexico.
Another cold front will move into the area sometime on Wednesday.

$$

GMZ235-211000-
Bays and Waterways from Port Aransas to Port O`Connor-
338 PM CDT Fri Apr 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots decreasing to 10 to
15 knots late in the night. Bays choppy. A slight chance of
showers after midnight.
.SATURDAY...Southeast wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A chance of showers. A chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming south
5 to 10 knots after midnight. Bays slightly choppy to
occasionally choppy. A chance of showers and thunderstorms in the
evening, then a slight chance of showers and thunderstorms after
midnight.
.SUNDAY...North wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy.
.SUNDAY NIGHT...North wind 5 to 10 knots. Bays smooth to slightly
choppy.
.MONDAY...North wind 5 to 10 knots. Bays smooth to slightly
choppy.
.MONDAY NIGHT...East wind 5 to 10 knots. Bays smooth to slightly
choppy.
.TUESDAY...Northeast wind around 5 knots shifting east in the
afternoon. Bays smooth.
.TUESDAY NIGHT...South wind 5 to 10 knots. Bays smooth.
.WEDNESDAY...East wind 5 to 10 knots. Bays smooth.
.WEDNESDAY NIGHT...East wind 5 to 10 knots. Bays smooth to
slightly choppy.

$$

GMZ230-211000-
Bays and Waterways from Baffin Bay to Port Aransas-
338 PM CDT Fri Apr 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots decreasing to 10 to
15 knots late in the night. Bays choppy. A slight chance of
showers after midnight.
.SATURDAY...Southeast wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming south
5 to 10 knots after midnight. Bays slightly choppy to
occasionally choppy. A slight chance of showers and thunderstorms
in the evening.
.SUNDAY...North wind 10 to 15 knots shifting northeast in the
afternoon. Bays slightly choppy to occasionally choppy.
.SUNDAY NIGHT...Northeast wind 5 to 10 knots. Bays smooth to
slightly choppy.
.MONDAY...Northeast wind 5 to 10 knots. Bays smooth to slightly
choppy.
.MONDAY NIGHT...Southeast wind 5 to 10 knots. Bays smooth.
.TUESDAY...Northeast wind around 5 knots shifting east in the
afternoon. Bays smooth.
.TUESDAY NIGHT...Southeast wind 10 to 15 knots decreasing to 5 to
10 knots after midnight. Bays slightly choppy to occasionally
choppy.
.WEDNESDAY...Southeast wind 5 to 10 knots becoming east 10 to
15 knots in the afternoon. Bays slightly choppy to occasionally
choppy.
.WEDNESDAY NIGHT...East wind 10 to 15 knots decreasing to 5 to
10 knots after midnight. Bays slightly choppy to occasionally
choppy.

$$

GMZ255-211000-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
338 PM CDT Fri Apr 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers after
midnight.
.SATURDAY...Southeast wind around 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots shifting south
after midnight. Seas 3 to 4 feet with occasional seas up to
5 feet. A chance of showers and thunderstorms in the evening,
then a slight chance of showers and thunderstorms after midnight.
.SUNDAY...Northwest wind 10 to 15 knots shifting north in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
.SUNDAY NIGHT...North wind 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...North wind 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...East wind up to 5 knots becoming northeast after
midnight. Seas 2 feet.
.TUESDAY...Northeast wind 5 to 10 knots shifting east in the
afternoon. Seas 2 feet.
.TUESDAY NIGHT...South wind 5 to 10 knots. Seas 1 feet.
.WEDNESDAY...East wind 5 to 10 knots. Seas 1 feet.
.WEDNESDAY NIGHT...East wind 5 to 10 knots shifting northeast
after midnight. Seas 1 feet building to 2 feet after midnight.

$$

GMZ250-211000-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
338 PM CDT Fri Apr 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers after
midnight.
.SATURDAY...Southeast wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots becoming south
10 to 15 knots after midnight. Seas 3 to 5 feet with occasional
seas up to 6 feet. A slight chance of showers and thunderstorms
in the evening.
.SUNDAY...Northwest wind 10 to 15 knots shifting northeast in the
afternoon. Seas 3 to 4 feet with occasional seas up to 5 feet.
.SUNDAY NIGHT...Northeast wind 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet.
.MONDAY...Northeast wind around 10 knots becoming 5 to 10 knots
in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast wind 5 to 10 knots decreasing to up to
5 knots after midnight. Seas 2 feet.
.TUESDAY...Northeast wind around 5 knots shifting east in the
afternoon. Seas 2 feet.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots. Seas 1 feet.
.WEDNESDAY...Southeast wind 5 to 10 knots shifting east in the
afternoon. Seas 1 feet.
.WEDNESDAY NIGHT...East wind 5 to 10 knots. Seas 1 feet.

$$

GMZ270-275-211000-
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-
338 PM CDT Fri Apr 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers after
midnight.
.SATURDAY...Southeast wind 15 to 20 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots becoming south
10 to 15 knots after midnight. Seas 3 to 5 feet with occasional
seas up to 6 feet. A slight chance of showers and thunderstorms.
.SUNDAY...Northwest wind 10 to 15 knots shifting north in the
afternoon. Seas 3 to 4 feet with occasional seas up to 5 feet. A
slight chance of showers in the morning.
.SUNDAY NIGHT...North wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet.
.MONDAY...North wind 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Seas 2 to 4 feet with occasional seas up to
5 feet.
.MONDAY NIGHT...Northeast wind up to 5 knots becoming north after
midnight. Seas 2 to 3 feet.
.TUESDAY...North wind 5 to 10 knots shifting northeast in the
afternoon. Seas 2 feet.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots shifting south
after midnight. Seas 2 feet subsiding to 1 feet after midnight.
.WEDNESDAY...East wind 5 to 10 knots shifting northeast in the
afternoon. Seas 1 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Seas 1 feet
building to 2 feet after midnight.

$$

TE/GW



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