Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 232022
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
322 PM CDT Mon Oct 23 2017

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.

GMZ300-240930-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
322 PM CDT Mon Oct 23 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
Light winds early are expected to increase tonight as strong
offshore winds will develop behind a passing front Tuesday
morning. These stronger winds will persist through Tuesday night.
Winds will diminish on Wednesday and then become onshore by late
Thursday as high pressure moves east of the area. Another cold
front should arrive at the end of the week.

$$

GMZ330-335-240930-
Matagorda Bay-Galveston Bay-
322 PM CDT Mon Oct 23 2017

...Small Craft Should Exercise Caution Late Tonight and Tuesday...

.TONIGHT...North winds around 5 knots increasing to 15 to
20 knots after midnight. Bay waters smooth becoming choppy after
midnight.
.TUESDAY...North winds 15 to 20 knots. Bay waters choppy.
.TUESDAY NIGHT...North winds 15 to 20 knots. Bay waters choppy.
.WEDNESDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. Bay waters slightly choppy becoming
smooth in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots becoming
southwest after midnight. Bay waters smooth.
.THURSDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. Bay waters smooth becoming slightly
choppy in the afternoon.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters
slightly choppy.
.FRIDAY...West winds 10 to 15 knots becoming north 15 to 20 knots
in the afternoon. Bay waters slightly choppy becoming choppy in
the afternoon. A chance of showers.
.FRIDAY NIGHT...North winds 15 to 20 knots. Bay waters choppy. A
slight chance of showers.
.SATURDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots in the afternoon. Bay waters choppy becoming slightly
choppy in the afternoon. A slight chance of showers in the
morning.
.SATURDAY NIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy.

$$

GMZ350-355-240930-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-Coastal waters from High Island to Freeport out 20 NM-
322 PM CDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT TUESDAY THROUGH
WEDNESDAY MORNING...

.TONIGHT...North winds around 5 knots increasing to 15 to
20 knots after midnight. Seas 2 to 3 feet.
.TUESDAY...North winds 15 to 25 knots becoming 15 to 20 knots in
the afternoon. Seas 3 to 5 feet.
.TUESDAY NIGHT...North winds 15 to 25 knots. Seas 3 to 5 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots becoming
southwest after midnight. Seas 1 to 2 feet.
.THURSDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. Seas 1 to 2 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots becoming north 15 to 20 knots
in the afternoon. Seas 2 to 4 feet. A chance of showers.
.FRIDAY NIGHT...North winds 20 to 25 knots. Seas 3 to 5 feet. A
slight chance of showers.
.SATURDAY...North winds 15 to 25 knots becoming 15 to 20 knots in
the afternoon. Seas 3 to 5 feet. A slight chance of showers in
the morning.
.SATURDAY NIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 2 to 3 feet.

$$

GMZ370-375-240930-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
322 PM CDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT TUESDAY THROUGH
WEDNESDAY MORNING...

.TONIGHT...Northeast winds 5 to 10 knots becoming north 15 to
20 knots after midnight. Seas 2 to 4 feet.
.TUESDAY...North winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas 5 to 7 feet
with occasional seas up to 8 feet.
.WEDNESDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet with occasional seas
up to 7 feet subsiding to 2 to 4 feet in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots becoming
southwest 5 to 10 knots after midnight. Seas 2 to 3 feet.
.THURSDAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots becoming north 15 to 20 knots
in the afternoon. Seas 2 to 4 feet. A chance of showers.
.FRIDAY NIGHT...North winds 15 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. A slight chance of showers.
.SATURDAY...North winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. A slight chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet.

$$



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