Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

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000
FZUS54 KCRP 212037
CWFCRP

Coastal Waters Forecast
National Weather Service Corpus Christi TX
337 PM CDT Sat Apr 21 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.

GMZ200-220915-
337 PM CDT Sat Apr 21 2018

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Moderate southeast flow will weaken this evening as a cold front
approaches the area from the north. The front should push across
area waters early Sunday morning...with moderate to strong north
flow developing in its wake. Winds may briefly approach advisory
levels Sunday morning. A thin band of showers or even a
thunderstorm may accompany the front toward early Sunday morning
then diminish from northwest to southeast mid to late Sunday
morning. The offshore flow is expected to decrease through Sunday
afternoon then become a weak to moderate north to northeast flow
by Sunday night and Monday. A weak wind pattern will exist on
Monday night and Tuesday with an area of high pressure over the
Western Gulf of Mexico. Another cold front will move into the
Middle Texas Coastal Waters by Wednesday evening.

$$

GMZ235-220915-
Bays and Waterways from Port Aransas to Port O`Connor-
337 PM CDT Sat Apr 21 2018

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

$$

GMZ230-220915-
Bays and Waterways from Baffin Bay to Port Aransas-
337 PM CDT Sat Apr 21 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...South wind 15 to 20 knots decreasing to 10 to 15
knots in the evening. Bays slightly choppy to occasionally
choppy. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...North wind 15 to 20 knots decreasing to 10 to 15 knots
in the afternoon. Bays choppy to occasionally rough. A slight
chance of showers in the morning.
.SUNDAY NIGHT...Northeast wind 5 to 10 knots. Bays smooth to
slightly choppy.
.MONDAY...Northeast wind up to 5 knots becoming east in the
afternoon. Bays smooth.
.MONDAY NIGHT...South wind 5 to 10 knots. Bays smooth.
.TUESDAY...Southeast wind 5 to 10 knots. 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...East wind 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Bays slightly choppy to occasionally choppy.
.WEDNESDAY NIGHT...East wind 10 to 15 knots becoming northeast
5 to 10 knots after midnight. Bays slightly choppy to
occasionally choppy.
.THURSDAY...Northeast wind 5 to 10 knots shifting east in the
afternoon. Bays smooth.
.THURSDAY NIGHT...Southeast wind 10 to 15 knots. Bays slightly
choppy to occasionally choppy. A slight chance of showers.

$$

GMZ255-220915-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
337 PM CDT Sat Apr 21 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

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

$$

GMZ250-220915-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
337 PM CDT Sat Apr 21 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots becoming south 10 to
15 knots after midnight, then decreasing to 5 to 10 knots late in
the night. Seas 3 to 5 feet with occasional seas up to 6 feet.
.SUNDAY...North wind 15 to 20 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. A slight chance of showers in the
morning.
.SUNDAY NIGHT...Northeast wind 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet.
.MONDAY...East wind 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...South wind 5 to 10 knots. Seas 2 feet.
.TUESDAY...South wind around 5 knots shifting east in the
afternoon. Seas 2 feet.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 feet.
.WEDNESDAY...East wind 5 to 10 knots. Seas 2 feet.
.WEDNESDAY NIGHT...East wind around 10 knots shifting northeast
after midnight. Seas 2 to 4 feet with occasional seas up to
5 feet.
.THURSDAY...Northeast wind around 10 knots shifting east in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
.THURSDAY NIGHT...Southeast wind around 10 knots. Seas 2 feet. A
slight chance of showers.

$$

GMZ270-275-220915-
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-
337 PM CDT Sat Apr 21 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...Southeast wind 15 to 20 knots becoming south 10 to
15 knots after midnight. Seas 4 to 6 feet with occasional seas up
to 8 feet.
.SUNDAY...Northwest wind 15 to 20 knots shifting north in the
afternoon. Seas 4 to 5 feet with occasional seas up to 6 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...Northeast wind 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...South wind 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...East wind up to 5 knots increasing to 5 to 10 knots in
the afternoon. Seas 2 feet subsiding to 1 feet in the afternoon.
.TUESDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 feet.
.WEDNESDAY...Northeast wind 5 to 10 knots. Seas 2 feet.
.WEDNESDAY NIGHT...Northeast wind around 10 knots becoming 5 to
10 knots after midnight. Seas 2 to 4 feet with occasional seas up
to 5 feet.
.THURSDAY...Northeast wind around 10 knots shifting east in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
.THURSDAY NIGHT...Southeast wind around 10 knots. Seas 2 feet. A
slight chance of showers.

$$

TE/GH


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