Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 221502
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
1002 AM CDT Sun Apr 22 2018

Upper Texas coastal waters from High Island to the Matagorda Ship
Channel out 60 nautical miles including Galveston and Matagorda Bays

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.

GMZ300-230415-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
1002 AM CDT Sun Apr 22 2018

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
Moderate to strong offshore winds have developed in the wake of
a cold front. Winds will begin to diminish late tonight into
Monday, but remain offshore through Tuesday. A brief period of
onshore winds will return until switching back to offshore with a
midweek front.

$$

GMZ330-230415-
Matagorda Bay-
1002 AM CDT Sun Apr 22 2018

.REST OF TODAY...North winds 10 to 15 knots. Bay waters slightly
choppy.
.TONIGHT...North winds 5 to 10 knots. Bay waters smooth.
.MONDAY...North winds 5 to 10 knots becoming west in the
afternoon. Bay waters smooth.
.MONDAY NIGHT...Southwest winds 5 to 10 knots becoming west after
midnight. Bay waters smooth.
.TUESDAY...Northeast winds around 5 knots becoming southeast in
the afternoon. Bay waters smooth.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming southeast
after midnight. Bay waters smooth.
.WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters
smooth.
.THURSDAY...Northeast winds 5 to 10 knots becoming east in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

$$

GMZ335-230415-
Galveston Bay-
1002 AM CDT Sun Apr 22 2018

.REST OF TODAY...Northwest winds 10 to 15 knots. Bay waters
slightly choppy.
.TONIGHT...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Bay waters slightly choppy becoming
smooth after midnight.
.MONDAY...Northwest winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Northwest winds around 5 knots becoming west in the
afternoon. Bay waters smooth.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots becoming north
after midnight. Bay waters smooth.
.WEDNESDAY...North winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Bay waters smooth.
A slight chance of showers and isolated thunderstorms.
.THURSDAY...North winds 5 to 10 knots becoming northeast in the
afternoon. Bay waters smooth.
.THURSDAY NIGHT...South winds around 5 knots becoming west after
midnight. Bay waters smooth.

$$

GMZ350-355-230415-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
1002 AM CDT Sun Apr 22 2018

...Small Craft Should Exercise Caution...

.REST OF TODAY...North winds 15 to 20 knots. Seas 3 to 5 feet.
.TONIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 2 feet.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...North winds 5 to 10 knots becoming southeast in the
afternoon. Seas 1 to 2 feet.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming west after
midnight. Seas 1 to 2 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 1 to 2 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 2 feet.
A slight chance of showers and isolated thunderstorms.
.THURSDAY...North winds 5 to 10 knots becoming east in the
afternoon. Seas 1 to 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot.

$$

GMZ370-375-230415-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
1002 AM CDT Sun Apr 22 2018

...Small Craft Should Exercise Caution...

.REST OF TODAY...North winds 15 to 20 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet.
.TONIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY...North winds 10 to 15 knots becoming northwest in the
afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...West winds 5 to 10 knots becoming northwest after
midnight. Seas 2 to 3 feet.
.TUESDAY...North winds 5 to 10 knots becoming east in the
afternoon. Seas 1 to 2 feet.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming southwest
after midnight. Seas 2 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
after midnight. Seas 2 to 4 feet.
.THURSDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet.

$$



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