Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

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000
FZUS54 KCRP 180335 AAA
CWFCRP

Coastal Waters Forecast...UPDATED
National Weather Service Corpus Christi TX
935 PM CST Wed Jan 17 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.

GMZ200-181630-
935 PM CST Wed Jan 17 2018

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Weak to moderate north to northeast flow will persist tonight
through Thursday as a coastal trough develops. The combination of
 the trough and an upper level disturbance will contribute to
patchy light rain Thursday. Additional areas of light rain and a
more northerly flow will result on Friday. As the trough exists
the area to the northeast Friday night, a more southerly flow
develops. Onshore flow will increase on Saturday and Saturday
night, as low pressure deepens in the Southern Plains in response
to an upper level storm system. The upper system will stay north
of the waters, but will allow a frontal boundary to move into the
waters by Sunday night. This will result in a chance for showers
and isolated thunderstorms ahead of the boundary, with offshore
flow developing in the wake of the front. A moderate offshore flow
on Monday will diminish Monday night, as high pressure builds
into Texas.

$$

GMZ235-181630-
Bays and Waterways from Port Aransas to Port O`Connor-
935 PM CST Wed Jan 17 2018

.REST OF TONIGHT...Northeast wind around 10 knots. Bays slightly
choppy.
.THURSDAY...Northeast wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A slight chance of light freezing rain in
the morning. A slight chance of light rain.
.THURSDAY NIGHT...Northeast wind around 10 knots. Bays slightly
choppy. A chance of light rain.
.FRIDAY...Northeast wind 5 to 10 knots. Bays smooth to slightly
choppy. Light rain likely.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots shifting south after
midnight. Bays smooth. A chance of light rain.
.SATURDAY...Southwest wind 5 to 10 knots shifting southeast in
the afternoon. Bays smooth.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming south
15 to 20 knots after midnight. Bays choppy. A slight chance of
showers.
.SUNDAY...South wind 15 to 20 knots decreasing to 10 to 15 knots
in the afternoon. Bays choppy. A chance of showers and a slight
chance of thunderstorms.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots shifting west after
midnight. Bays slightly choppy to occasionally choppy. A slight
chance of showers.
.MONDAY...North wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy.
.MONDAY NIGHT...Northeast wind 5 to 10 knots shifting east after
midnight. Bays smooth.

$$

GMZ230-181630-
Bays and Waterways from Baffin Bay to Port Aransas-
935 PM CST Wed Jan 17 2018

.REST OF TONIGHT...North wind around 10 knots. Bays slightly
choppy.
.THURSDAY...North wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy. A slight chance of light freezing rain and
light sleet in the morning. A chance of light rain.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Bays slightly
choppy to occasionally choppy. Light rain likely.
.FRIDAY...North wind 5 to 10 knots. Bays smooth to slightly
choppy. Light rain likely.
.FRIDAY NIGHT...East wind 5 to 10 knots shifting southwest after
midnight. Bays smooth. A chance of light rain.
.SATURDAY...Southwest wind around 5 knots shifting southeast in
the afternoon. Bays smooth.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming south
15 to 20 knots after midnight. Bays choppy. A slight chance of
showers.
.SUNDAY...South wind 15 to 20 knots. Bays choppy. A slight chance
of showers.
.SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming northwest
10 to 15 knots after midnight. Bays slightly choppy to
occasionally choppy.
.MONDAY...North wind 10 to 15 knots. Bays slightly choppy to
occasionally choppy.
.MONDAY NIGHT...Northeast wind 5 to 10 knots shifting east after
midnight. Bays smooth.

$$

GMZ255-181630-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
935 PM CST Wed Jan 17 2018

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Seas 2 to
4 feet with occasional seas up to 5 feet.
.THURSDAY...Northeast wind 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. A slight chance of light freezing
rain in the morning. A slight chance of light rain.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Seas 3 to 4 feet
with occasional seas up to 5 feet. A chance of light rain.
.FRIDAY...Northeast wind 10 to 15 knots becoming east 5 to
10 knots in the afternoon. Seas 2 to 4 feet with occasional seas
up to 5 feet. Light rain likely.
.FRIDAY NIGHT...Southeast wind 10 to 15 knots shifting south
after midnight. Seas 3 to 5 feet with occasional seas up to
6 feet. A chance of light rain.
.SATURDAY...South wind 5 to 10 knots shifting southeast in the
afternoon. Seas 4 to 6 feet with occasional seas up to 8 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming south
15 to 20 knots after midnight. Seas 5 to 7 feet with occasional
seas up to 9 feet. A slight chance of showers.
.SUNDAY...South wind 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. A chance of showers and a slight
chance of thunderstorms.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots shifting west after
midnight. Seas 4 to 6 feet with occasional seas up to 8 feet. A
chance of showers and a slight chance of thunderstorms.
.MONDAY...North wind 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet.
.MONDAY NIGHT...Northeast wind around 10 knots. Seas 2 to 3 feet.

$$

GMZ250-181630-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
935 PM CST Wed Jan 17 2018

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Seas 3 to
5 feet with occasional seas up to 6 feet.
.THURSDAY...Northeast wind around 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A chance of light rain.
.THURSDAY NIGHT...Northeast wind 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Light rain likely.
.FRIDAY...North wind 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Seas 3 to 4 feet with occasional seas up to
5 feet. Light rain likely.
.FRIDAY NIGHT...Southeast wind 5 to 10 knots shifting south after
midnight. Seas 3 to 5 feet with occasional seas up to 6 feet. A
chance of light rain.
.SATURDAY...Southwest wind 5 to 10 knots shifting southeast in
the afternoon. Seas 4 to 6 feet with occasional seas up to
8 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming south
15 to 20 knots after midnight. Seas 5 to 7 feet with occasional
seas up to 9 feet. A slight chance of showers.
.SUNDAY...South wind 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots shifting west after
midnight. Seas 4 to 6 feet with occasional seas up to 8 feet.
.MONDAY...North wind 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet.
.MONDAY NIGHT...Northeast wind around 10 knots shifting east
after midnight. Seas 2 to 3 feet.

$$

GMZ270-275-181630-
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-
935 PM CST Wed Jan 17 2018

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Seas 4 to
6 feet with occasional seas up to 8 feet.
.THURSDAY...Northeast wind around 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A slight chance of light rain.
.THURSDAY NIGHT...East wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A chance of light rain.
.FRIDAY...East wind 15 to 20 knots shifting southeast in the
afternoon. Seas 4 to 5 feet with occasional seas up to 6 feet.
Showers likely.
.FRIDAY NIGHT...Southeast wind 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. A chance of showers.
.SATURDAY...South wind 10 to 15 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet.
.SATURDAY NIGHT...South wind 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. A slight chance of showers.
.SUNDAY...South wind 15 to 20 knots. Seas 6 to 7 feet with
occasional seas up to 9 feet. A chance of showers and a slight
chance of thunderstorms.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots shifting west after
midnight. Seas 4 to 6 feet with occasional seas up to 8 feet. A
chance of showers and a slight chance of thunderstorms.
.MONDAY...North wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet.
.MONDAY NIGHT...Northeast wind 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet.

$$

LB


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