Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

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000
FZUS54 KCRP 180329
CWFCRP

Coastal Waters Forecast
National Weather Service Corpus Christi TX
929 PM CST Sun Dec 17 2017

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.

GMZ200-181615-
929 PM CST Sun Dec 17 2017

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A coastal trough will develop tonight through Monday and contribute
to isolated to scattered showers. Isolated thunderstorms may also
develop. Generally weak north to northeast wind will persist over
the bays and nearshore coastal waters tonight and Monday. Weak to
moderate onshore flow will develop areawide Monday night as an
upper level disturbance approaches from the west. The upper system
will contribute to scattered showers and isolated thunderstorms
Monday night. Sea fog will develop Monday night over the bays and
nearshore coastal waters as warmer moist air overruns the cooler
sea surface. Offshore flow and drier conditions are expected
Wednesday as the upper disturbance moves east. Weak to moderate
onshore flow will return Thursday as a strong upper level
disturbance moves southeastward across the Rockies. Isolated
showers are anticipated for Thursday night.

$$

GMZ235-181615-
Bays and Waterways from Port Aransas to Port O`Connor-
929 PM CST Sun Dec 17 2017

.TONIGHT...Northeast wind up to 5 knots increasing to 5 to
10 knots in the late evening and overnight. Bays smooth to
slightly choppy. Areas of fog after midnight. A slight chance of
light rain after midnight.
.MONDAY...Northeast wind 5 to 10 knots shifting east in the
afternoon. Bays smooth. Areas of fog in the morning. A chance of
showers. A slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast wind 5 to 10 knots. Bays smooth. Areas
of fog. A chance of showers and a slight chance of thunderstorms.
.TUESDAY...South wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy. Areas of fog. A chance of showers and a
slight chance of thunderstorms.
.TUESDAY NIGHT...Southwest wind 5 to 10 knots shifting northwest
after midnight. Bays smooth to slightly choppy. Areas of fog in
the evening. A slight chance of showers in the evening.
.WEDNESDAY...Northwest wind around 5 knots shifting west in the
afternoon. Bays smooth.
.WEDNESDAY NIGHT...South wind 5 to 10 knots. Bays smooth.
.THURSDAY...South wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy. A slight chance of showers.
.THURSDAY NIGHT...South wind 15 to 20 knots. Bays choppy.
.FRIDAY...South wind 10 to 15 knots shifting west in the
afternoon. Bays slightly choppy to occasionally choppy. A chance
of showers.
.FRIDAY NIGHT...North wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A chance of showers.

$$

GMZ230-181615-
Bays and Waterways from Baffin Bay to Port Aransas-
929 PM CST Sun Dec 17 2017

.TONIGHT...North wind 5 to 10 knots shifting east late in the
evening, then shifting northeast after midnight. Bays smooth to
slightly choppy. Areas of fog after midnight. A slight chance of
light rain after midnight.
.MONDAY...Northeast wind 5 to 10 knots shifting east in the
afternoon. Bays smooth. Areas of fog in the morning. A chance of
showers. A slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast wind 5 to 10 knots. Bays smooth. Areas
of fog. A chance of showers and a slight chance of thunderstorms.
.TUESDAY...South wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy. Areas of fog. A slight chance of showers in
the morning. A chance of showers in the afternoon.
.TUESDAY NIGHT...Southwest wind 5 to 10 knots shifting northwest
after midnight. Bays smooth to slightly choppy. Areas of fog in
the evening. A slight chance of showers in the evening.
.WEDNESDAY...North wind around 5 knots shifting northeast in the
afternoon. Bays smooth.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots. Bays smooth.
.THURSDAY...South wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy.
.THURSDAY NIGHT...South wind 15 to 20 knots. Bays choppy.
.FRIDAY...South wind 10 to 15 knots shifting west in the
afternoon. Bays slightly choppy to occasionally choppy. A chance
of showers.
.FRIDAY NIGHT...North wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A slight chance of showers.

$$

GMZ255-181615-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
929 PM CST Sun Dec 17 2017

.TONIGHT...Northeast wind 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog after midnight. A chance of showers after midnight.
.MONDAY...East wind around 10 knots becoming 5 to 10 knots in the
afternoon. Seas 2 to 3 feet. A chance of showers. A slight chance
of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 to 3 feet.
Areas of fog. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY...South wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. Areas of fog. A slight chance of
showers in the morning. A slight chance of thunderstorms. A
chance of showers in the afternoon.
.TUESDAY NIGHT...Southwest wind around 10 knots shifting
northwest after midnight. Seas 2 to 4 feet with occasional seas
up to 5 feet. Areas of fog in the evening. A chance of showers in
the evening, then a slight chance of showers after midnight.
.WEDNESDAY...Northwest wind 5 to 10 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 to
3 feet.
.THURSDAY...South wind 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South wind 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet.
.FRIDAY...South wind 15 to 20 knots becoming west 10 to 15 knots
in the afternoon. Seas 3 to 5 feet with occasional seas up to
6 feet. A chance of showers.
.FRIDAY NIGHT...North wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A chance of showers.

$$

GMZ250-181615-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
929 PM CST Sun Dec 17 2017

.TONIGHT...Northeast wind 5 to 10 knots. Seas 2 to 3 feet. Areas
of fog after midnight. A chance of showers after midnight.
.MONDAY...East wind 5 to 10 knots. Seas 2 to 3 feet. A chance of
showers. A slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Areas of fog. A chance of
showers and a slight chance of thunderstorms.
.TUESDAY...South wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. Areas of fog. A slight chance of
showers.
.TUESDAY NIGHT...Southwest wind 5 to 10 knots shifting northwest
after midnight. Seas 2 to 4 feet with occasional seas up to
5 feet. Areas of fog in the evening. A slight chance of showers
in the evening.
.WEDNESDAY...North wind 5 to 10 knots shifting northeast in the
afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 to
3 feet.
.THURSDAY...South wind 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South wind 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet.
.FRIDAY...South wind 15 to 20 knots becoming west 10 to 15 knots
in the afternoon. Seas 3 to 5 feet with occasional seas up to
6 feet. A chance of showers.
.FRIDAY NIGHT...North wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A chance of showers.

$$

GMZ270-275-181615-
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-
929 PM CST Sun Dec 17 2017

.TONIGHT...East wind 10 to 15 knots decreasing to 5 to 10 knots
after midnight. Seas 3 feet. A chance of showers after midnight.
.MONDAY...Southeast wind around 10 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. A chance of showers. A slight
chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast wind 10 to 15 knots. Seas 3 to 4 feet
with occasional seas up to 5 feet. A slight chance of showers and
thunderstorms.
.TUESDAY...South wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. A slight chance of showers.
.TUESDAY NIGHT...Southwest wind 10 to 15 knots shifting northwest
after midnight. Seas 3 to 4 feet with occasional seas up to
5 feet. A slight chance of showers.
.WEDNESDAY...North wind 5 to 10 knots shifting northeast in the
afternoon. Seas 3 feet.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots. Seas 2 to
3 feet.
.THURSDAY...South wind 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...South wind 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet.
.FRIDAY...South wind 15 to 20 knots becoming west 10 to 15 knots
in the afternoon. Seas 5 to 6 feet with occasional seas up to
8 feet. A chance of showers.
.FRIDAY NIGHT...North wind 15 to 20 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A chance of showers.

$$



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