National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 210250
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
950 PM CDT Sun Oct 20 2019

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.

GMZ300-211530-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
950 PM CDT Sun Oct 20 2019

SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM

Onshore flow is expected to increase tonight. The chance of showers
and thunderstorms increases late tonight and Monday ahead of a cold
front that should push off the coast late in the morning or early
in the afternoon. Moderate north to northeasterly flow occurs after
the frontal passage with winds of 15 to 25 knots and rough seas across
the offshore waters through Tuesday afternoon. An onshore flow returns
to the area around midweek followed by the passage of another cold
front around Thursday night.

GMZ335-211530-
Galveston Bay-
950 PM CDT Sun Oct 20 2019

Small Craft Should Exercise Caution


REST OF TONIGHT
South winds increasing to around 15 knots. Bay waters
slightly choppy to choppy. A slight chance of showers and thunderstorms
in the late evening and early morning. A chance of showers and thunderstorms
late.

MONDAY
West winds 10 to 15 knots becoming north 15 to 20 knots in
the afternoon. Bay waters slightly choppy becoming choppy in the afternoon.
Showers and thunderstorms in the morning, then a chance of showers and
thunderstorms early in the afternoon. A slight chance of showers and
thunderstorms late in the afternoon.

MONDAY NIGHT
North winds 10 to 15 knots. Bay waters slightly choppy.
A slight chance of showers and thunderstorms early in the evening.

TUESDAY
Northeast winds 10 to 15 knots. Bay waters slightly choppy.

TUESDAY NIGHT and WEDNESDAY
East winds 10 to 15 knots. Bay waters
slightly choppy.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers in the morning, then showers likely in the afternoon.

THURSDAY NIGHT
Northeast winds 10 to 15 knots becoming north 15 to
20 knots after midnight. Bay waters slightly choppy becoming choppy
after midnight. Showers likely in the evening, then a chance of showers
after midnight.

FRIDAY
North winds 15 to 20 knots. Bay waters choppy. A chance of
showers.

FRIDAY NIGHT
North winds 15 to 20 knots. Bay waters choppy. A slight
chance of showers.

GMZ330-211530-
Matagorda Bay-
950 PM CDT Sun Oct 20 2019

Small Craft Should Exercise Caution


REST OF TONIGHT
South winds increasing to around 15 knots. Bay waters
slightly choppy to choppy. A slight chance of showers and thunderstorms
in the late evening and overnight.

MONDAY
Northwest winds 10 to 15 knots becoming north 15 to 20 knots
in the afternoon. Bay waters slightly choppy becoming choppy in the
afternoon. Showers and thunderstorms in the morning, then a chance
of showers and thunderstorms early in the afternoon. A slight chance
of showers and thunderstorms late in the afternoon.

MONDAY NIGHT
North winds 15 to 20 knots decreasing to 10 to 15 knots
after midnight. Bay waters choppy becoming slightly choppy after midnight.
A slight chance of showers and thunderstorms early in the evening.

TUESDAY
Northeast winds 10 to 15 knots. Bay waters slightly choppy.

TUESDAY NIGHT and WEDNESDAY
East winds 10 to 15 knots. Bay waters
slightly choppy.

WEDNESDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers in the evening, then a chance of
showers after midnight.

THURSDAY
Southeast winds 5 to 10 knots. Bay waters smooth.
Showers likely.

THURSDAY NIGHT
North winds 10 to 15 knots increasing to 15 to 25
knots after midnight. Bay waters slightly choppy becoming choppy after
midnight. A chance of showers.

FRIDAY
North winds 20 to 25 knots becoming 15 to 25 knots in the
afternoon. Bay waters rough 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 in the evening.

GMZ350-355-211530-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
950 PM CDT Sun Oct 20 2019

Small Craft Should Exercise Caution


REST OF TONIGHT
South winds increasing to 15 to 20 knots. Seas 3
to 4 feet building to 4 to 6 feet with occasional seas up to 7 feet
after midnight. A slight chance of showers and thunderstorms early
in the evening, then a chance of showers and thunderstorms after midnight.

MONDAY
Southwest winds 15 to 20 knots becoming north in the afternoon.
Seas 4 to 6 feet with occasional seas up to 7 feet. Showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the afternoon.

MONDAY NIGHT
North winds 15 to 20 knots. Seas 2 to 4 feet. A slight
chance of showers and thunderstorms in the evening.

TUESDAY
Northeast winds 15 to 20 knots. Seas 3 to 5 feet.

TUESDAY NIGHT
East winds 15 to 20 knots. Seas 3 to 4 feet.

WEDNESDAY
East winds 15 to 20 knots. Seas 3 to 5 feet.

WEDNESDAY NIGHT
Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
A slight chance of showers in the evening, then a chance of showers
after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Showers likely.

THURSDAY NIGHT
Northeast winds 10 to 15 knots becoming north 15 to
25 knots after midnight. Seas 3 to 4 feet. Showers likely.

FRIDAY
North winds 20 to 25 knots. Seas 3 to 5 feet. A chance of
showers.

FRIDAY NIGHT
North winds 20 to 25 knots decreasing to 15 to 20 knots
after midnight. Seas 3 to 5 feet. A slight chance of showers. 

GMZ370-375-211530-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-
950 PM CDT Sun Oct 20 2019

Small Craft Should Exercise Caution


REST OF TONIGHT
South winds 15 to 20 knots becoming 15 to 25 knots
after midnight. Seas 4 to 6 feet with occasional seas up to 7 feet.
A slight chance of showers and thunderstorms early in the evening,
then a chance of showers and thunderstorms in the late evening and
overnight.

MONDAY
South winds 15 to 20 knots becoming north in the afternoon.
Seas 4 to 6 feet with occasional seas up to 7 feet. Showers and thunderstorms
until late afternoon, then a chance of showers and thunderstorms late
in the afternoon.

MONDAY NIGHT
North winds 15 to 20 knots becoming 15 to 25 knots
after midnight. Seas 3 to 4 feet building to 4 to 6 feet with occasional
seas up to 7 feet after midnight. A chance of showers and thunderstorms
early in the evening, then a slight chance of showers and thunderstorms
in the late evening and overnight.

TUESDAY
Northeast winds 20 to 25 knots. Seas 5 to 7 feet with occasional
seas up to 8 feet.

TUESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional
seas up to 7 feet.

WEDNESDAY
East winds 15 to 20 knots. Seas 5 to 6 feet with occasional
seas up to 7 feet.

WEDNESDAY NIGHT
Southeast winds 15 to 20 knots. Seas 5 to 6 feet
with occasional seas up to 7 feet. A slight chance of showers in the
evening, then a chance of showers after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 4 to 5 feet with occasional
seas up to 6 feet. Showers likely.

THURSDAY NIGHT
East winds 10 to 15 knots becoming north 15 to 25
knots after midnight. Seas 4 to 5 feet with occasional seas up to 6
feet. Showers likely.

FRIDAY
North winds 20 to 25 knots. Seas 5 to 7 feet with occasional
seas up to 8 feet. A chance of showers.

FRIDAY NIGHT
North winds 20 to 25 knots. Seas 5 to 6 feet with occasional
seas up to 7 feet. A chance of showers in the evening, then a slight
chance of showers after midnight.