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National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 230045 AAA
CWFHGX

Coastal Waters Forecast...UPDATED
National Weather Service Houston/Galveston TX
745 PM CDT Sun Jul 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.

GMZ300-231315-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
745 PM CDT Sun Jul 22 2018

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

A light to occasionally moderate south to southwest flow is expected
to persist through Monday. A weak frontal boundary around or just
north of the area might bring variable or a light offshore flow
Monday night through Wednesday. A few showers and thunderstorms
will be possible with this boundary. A light to moderate onshore
flow will return to the area toward the end of the week.  



GMZ330-335-231315-
Matagorda Bay-Galveston Bay-
745 PM CDT Sun Jul 22 2018

REST OF TONIGHT
Southwest winds 10 to 15 knots. Bay waters
slightly choppy.

MONDAY
Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Bay waters slightly choppy becoming
choppy in the afternoon.

MONDAY NIGHT
Southwest winds 10 to 15 knots becoming west
after midnight. Bay waters slightly choppy. A slight chance of
showers and thunderstorms after midnight.

TUESDAY
Northwest winds 5 to 10 knots becoming southeast in
the afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms.

TUESDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms.

WEDNESDAY
East winds around 5 knots becoming southeast in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms.

WEDNESDAY NIGHT
South winds 5 to 10 knots becoming southwest
after midnight. Bay waters smooth.

THURSDAY
Southwest winds 5 to 10 knots becoming south in the
afternoon. Bay waters smooth.

THURSDAY NIGHT
South winds around 10 knots becoming southwest
after midnight. Bay waters smooth to slightly choppy becoming
smooth after midnight.

FRIDAY
South winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Bay waters smooth becoming slightly choppy in
the afternoon.

FRIDAY NIGHT
South winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Bay waters slightly choppy becoming
smooth after midnight.



GMZ350-231315-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
745 PM CDT Sun Jul 22 2018

REST OF TONIGHT
Southwest winds around 15 knots. Seas 2 to 4
feet.

MONDAY
Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet.

MONDAY NIGHT
Southwest winds 10 to 15 knots. Seas 2 to 3 feet.

TUESDAY
West winds 5 to 10 knots becoming south in the
afternoon. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms.

TUESDAY NIGHT
South winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms.

WEDNESDAY
Southeast winds 5 to 10 knots. Seas 1 foot. A slight
chance of showers and thunderstorms.

WEDNESDAY NIGHT
South winds around 10 knots. Seas 1 to 2 feet.

THURSDAY
South winds 5 to 10 knots. Seas 1 to 2 feet.

THURSDAY NIGHT
South winds 10 to 15 knots. Seas 1 to 2 feet.

FRIDAY
South winds 5 to 10 knots. Seas 1 to 2 feet.

FRIDAY NIGHT
South winds 10 to 15 knots. Seas 1 to 2 feet.



GMZ355-231315-
Coastal waters from High Island to Freeport TX out 20 NM-
745 PM CDT Sun Jul 22 2018

Small Craft Should Exercise Caution


REST OF TONIGHT
Southwest winds 15 to 20 knots. Seas 2 to
3 feet.

MONDAY
West winds 10 to 15 knots becoming southwest 15 to
20 knots in the afternoon. Seas 2 to 3 feet.

MONDAY NIGHT
Southwest winds 15 to 20 knots becoming west
10 to 15 knots after midnight. Seas 2 to 3 feet. A slight chance
of showers and thunderstorms after midnight.

TUESDAY
North winds 5 to 10 knots becoming southeast in the
afternoon. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms.

TUESDAY NIGHT
Southwest winds 5 to 10 knots becoming northwest
after midnight. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms.

WEDNESDAY
Northeast winds around 5 knots becoming southeast in
the afternoon. Seas 1 foot. A slight chance of showers and
thunderstorms.

WEDNESDAY NIGHT
South winds 5 to 10 knots becoming southwest
after midnight. Seas 1 foot.

THURSDAY
Southwest winds 5 to 10 knots becoming south in the
afternoon. Seas 1 foot.

THURSDAY NIGHT
South winds around 10 knots. Seas 1 foot.

FRIDAY
Southwest winds 5 to 10 knots becoming south in the
afternoon. Seas 1 foot.

FRIDAY NIGHT
South winds around 10 knots. Seas 1 to 2 feet.



GMZ370-231315-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-
745 PM CDT Sun Jul 22 2018

REST OF TONIGHT
Southwest winds around 15 knots. Seas 2 to
4 feet.

MONDAY
Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet.

MONDAY NIGHT
Southwest winds 10 to 15 knots. Seas 3 feet.

TUESDAY
West winds 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Seas 2 to 3 feet. A slight chance of showers
and thunderstorms.

TUESDAY NIGHT
Southwest winds 5 to 10 knots becoming south
after midnight. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms.

WEDNESDAY
East winds around 5 knots. Seas 1 foot. A slight
chance of showers and thunderstorms.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots becoming south
after midnight. Seas 1 to 2 feet.

THURSDAY
Southwest winds 5 to 10 knots becoming south in the
afternoon. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms.

THURSDAY NIGHT
Southeast winds 10 to 15 knots becoming south
after midnight. Seas 1 to 2 feet.

FRIDAY
South winds 5 to 10 knots. Seas 1 to 2 feet.

FRIDAY NIGHT
South winds 10 to 15 knots. Seas 1 to 2 feet.



GMZ375-231315-
Waters from High Island to Freeport TX from 20 to 60 NM-
745 PM CDT Sun Jul 22 2018

Small Craft Should Exercise Caution


REST OF TONIGHT
Southwest winds 15 to 20 knots. Seas 2 to
4 feet.

MONDAY
West winds 10 to 15 knots becoming southwest 15 to
20 knots in the afternoon. Seas 3 to 4 feet.

MONDAY NIGHT
Southwest winds 15 to 20 knots becoming west
10 to 15 knots after midnight. Seas 2 to 3 feet. A slight chance
of showers and thunderstorms after midnight.

TUESDAY
Northwest winds 5 to 10 knots becoming north in the
afternoon. Seas 2 feet. A slight chance of showers and
thunderstorms.

TUESDAY NIGHT
Southwest winds around 5 knots becoming
northwest after midnight. Seas 1 to 2 feet. A slight chance of
showers and thunderstorms.

WEDNESDAY
Northeast winds around 5 knots becoming east in the
afternoon. Seas 1 foot. A slight chance of showers and
thunderstorms.

WEDNESDAY NIGHT
South winds 5 to 10 knots becoming southwest
after midnight. Seas 1 to 2 feet.

THURSDAY
Southwest winds 5 to 10 knots becoming around 5 knots
in the afternoon. Seas 1 to 2 feet. A slight chance of showers
and thunderstorms.

THURSDAY NIGHT
South winds 5 to 10 knots. Seas 1 to 2 feet.

FRIDAY
South winds 5 to 10 knots. Seas 1 to 2 feet.

FRIDAY NIGHT
South winds around 10 knots. Seas 1 to 2 feet.