Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

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896
FZUS54 KCRP 150935
CWFCRP

Coastal Waters Forecast
National Weather Service Corpus Christi TX
335 AM CST Fri Dec 15 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.

GMZ200-152245-
335 AM CST Fri Dec 15 2017

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Strong offshore flow will persist in wake of a strong cold front
pushing offshore this morning. Wind speeds will gradually weaken
to a moderate to strong flow during the afternoon. Numerous to
widespread showers will move across the waters today, decreasing
in coverage this evening as drier air moves into the region
behind the front. An upper disturbance and coastal trough will
bring an additional higher chances of showers and thunderstorms
Saturday, and especially Saturday night. Winds will become
elevated Saturday night due to the disturbance deepening the
surface low. The disturbance will move east by Sunday, resulting
in diminishing rain chances, with a relatively weak offshore flow
developing as the surface trough moves toward the Northern Gulf
States. Onshore flow resumes briefly on Monday before another
frontal boundary and disturbance impact the waters on Tuesday and
brings another chance for showers and possible thunderstorms.

$$

GMZ235-152245-
Bays and Waterways from Port Aransas to Port O`Connor-
335 AM CST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...

.TODAY...North wind around 20 knots becoming northeast 10 to 15
knots late. Bays choppy to occasionally rough. Showers likely in
the morning, then a chance of showers in the afternoon.
.TONIGHT...North wind 5 to 10 knots. Bays smooth to slightly
choppy. A slight chance of showers in the evening.
.SATURDAY...Northeast wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A chance of showers in the morning, then
showers likely and a slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...North wind 10 to 15 knots becoming northwest
5 to 10 knots after midnight. Bays slightly choppy to
occasionally choppy. Showers in the evening. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...North wind around 5 knots shifting northeast in the
afternoon. Bays smooth. A slight chance of showers in the
morning.
.SUNDAY NIGHT...East wind up to 5 knots. Bays smooth. A chance of
showers.
.MONDAY...South wind around 5 knots shifting west in the
afternoon. Bays smooth. A chance of showers and a slight chance
of thunderstorms.
.MONDAY NIGHT...North wind 5 to 10 knots. Bays smooth to slightly
choppy. A chance of showers and a slight chance of thunderstorms.
.TUESDAY...North wind 5 to 10 knots. Bays smooth to slightly
choppy. A chance of showers and a slight chance of thunderstorms.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots. Bays smooth to
slightly choppy. A slight chance of showers.

$$

GMZ230-152245-
Bays and Waterways from Baffin Bay to Port Aransas-
335 AM CST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...

.TODAY...North wind 20 to 25 knots decreasing to 10 to 15 knots.
Bays choppy to rough. Showers in the morning, then a chance of
showers in the afternoon.
.TONIGHT...North wind 5 to 10 knots. Bays smooth to slightly
choppy. A slight chance of showers.
.SATURDAY...Northeast wind 10 to 15 knots. Bays slightly choppy
to occasionally choppy. A chance of showers in the morning, then
showers likely and a slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...North wind 10 to 15 knots becoming northwest up
to 5 knots after midnight. Bays slightly choppy to occasionally
choppy. Showers likely in the evening. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...North wind up to 5 knots shifting east in the
afternoon. Bays smooth. A slight chance of showers in the
morning.
.SUNDAY NIGHT...East wind up to 5 knots. Bays smooth. A chance of
showers.
.MONDAY...South wind around 5 knots shifting west in the
afternoon. Bays smooth. A chance of showers and a slight chance
of thunderstorms.
.MONDAY NIGHT...North wind 5 to 10 knots. Bays smooth to slightly
choppy. A chance of showers and a slight chance of thunderstorms.
.TUESDAY...North wind 5 to 10 knots. Bays smooth to slightly
choppy. A slight chance of showers.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots. Bays smooth to
slightly choppy. A slight chance of showers.

$$

GMZ255-152245-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
335 AM CST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...North wind 20 to 25 knots becoming northeast around 20
knots in the afternoon. Seas 4 to 6 feet with occasional seas up
to 8 feet. Showers likely in the morning, then a chance of showers
in the afternoon.
.TONIGHT...Northeast wind 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet subsiding to 2 to 3 feet after
midnight. A slight chance of showers.
.SATURDAY...Northeast wind 10 to 15 knots becoming east 15 to
20 knots in the afternoon. Seas 2 to 4 feet with occasional seas
up to 5 feet. A chance of showers in the morning, then showers
likely and a slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...East wind 15 to 20 knots becoming northwest
5 to 10 knots after midnight. Seas 3 to 5 feet with occasional
seas up to 6 feet. Showers in the evening. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...North wind around 5 knots shifting northeast in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet. A
slight chance of showers.
.SUNDAY NIGHT...East wind 5 to 10 knots becoming southeast after
midnight. Seas 2 to 3 feet. A chance of showers.
.MONDAY...South wind 5 to 10 knots shifting west in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
Showers likely and a chance of thunderstorms.
.MONDAY NIGHT...North wind 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY...North wind around 10 knots. Seas 2 to 3 feet. A chance
of showers and a slight chance of thunderstorms.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. A slight chance of showers.

$$

GMZ250-152245-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
335 AM CST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...North wind 25 to 30 knots decreasing to around 20 knots.
Seas 6 to 8 feet with occasional seas up to 10 feet. Showers in
the morning, then a chance of showers in the afternoon.
.TONIGHT...Northeast wind 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet subsiding to 3 to 4 feet with
occasional seas up to 5 feet after midnight. A slight chance of
showers.
.SATURDAY...Northeast wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. A chance of showers in the morning,
then showers likely and a slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...North wind 10 to 15 knots becoming northwest up
to 5 knots after midnight. Seas 3 to 4 feet with occasional seas
up to 5 feet. Showers likely in the evening. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...North wind around 5 knots shifting northeast in the
afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet. A
slight chance of showers.
.SUNDAY NIGHT...East wind around 5 knots shifting southeast up to
5 knots after midnight. Seas 2 to 3 feet. A chance of showers.
.MONDAY...South wind 5 to 10 knots shifting west in the
afternoon. Seas 2 to 3 feet. A chance of showers and a slight
chance of thunderstorms.
.MONDAY NIGHT...North wind 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers and a slight chance of thunderstorms.
.TUESDAY...North wind 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. A slight chance of showers.
.TUESDAY NIGHT...Northeast wind 5 to 10 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. A slight chance of showers.

$$

GMZ270-275-152245-
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-
335 AM CST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Northeast wind 25 to 30 knots decreasing to around 20
knots. Seas 7 to 9 feet with occasional seas up to 11 feet.
Showers in the morning, then showers likely in the afternoon.
.TONIGHT...Northeast wind 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 4 to 6 feet with occasional seas up
to 8 feet subsiding to 3 to 4 feet with occasional seas up to
5 feet after midnight. A slight chance of showers.
.SATURDAY...East wind 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. A chance of showers in the morning,
then showers likely and a slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...South wind 15 to 20 knots becoming west 10 to
15 knots after midnight. Seas 4 to 5 feet with occasional seas up
to 6 feet. Showers in the evening. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...Northwest wind up to 5 knots becoming northeast in the
afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet. A
chance of showers in the morning, then a slight chance of showers
in the afternoon.
.SUNDAY NIGHT...East wind 5 to 10 knots shifting southeast after
midnight. Seas 3 feet. A chance of showers and a slight chance of
thunderstorms.
.MONDAY...South wind around 10 knots shifting southwest in the
afternoon. Seas 3 to 4 feet with occasional seas up to 5 feet. A
chance of showers and a slight chance of thunderstorms.
.MONDAY NIGHT...Northwest wind 5 to 10 knots shifting north after
midnight. Seas 3 to 4 feet with occasional seas up to 5 feet. A
chance of showers and a slight chance of thunderstorms.
.TUESDAY...North wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY NIGHT...Northeast wind around 10 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A slight chance of showers.

$$

LB/GW



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