GMZ300-191330-
 747 PM CDT Sat Apr 18 2026
 
 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
 including Galveston and Matagorda Bays.
 
 Lingering showers and isolated storms will continue into early
 Sunday morning in the wake of a cold front. Hazardous marine
 conditions are expected into early Sunday afternoon due to the
 strong northeasterly winds and building seas developing behind the
 cold front. There will be a chance for gusts to gale in the Bays
 early Sunday morning with gale conditions anticipated in the Gulf
 Waters. Winds will lower through the day on Sunday, but seas may
 remain elevated into Sunday night. Water levels are expected to
 remain near 3.0 feet above Mean Lower Low Water during high tide
 cycles going into early next week.
 
 $$




 
 GMZ335-191330-
 Galveston Bay-
 747 PM CDT Sat Apr 18 2026
 
 SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
 

 TONIGHT
 North winds around 15 knots, increasing to around
 20 knots with gusts up to 25 knots late this evening, then
 increasing to 20 to 25 knots with gusts up to 30 knots after
 midnight, becoming northeast around 30 knots late. Bay waters
 slightly choppy, increasing to choppy late this evening, then
 increasing to rough after midnight, increasing to very rough
 late. A chance of thunderstorms. Showers.

 SUNDAY
 Northeast winds 20 to 25 knots with gusts up to
 35 knots, diminishing to around 20 knots with gusts up to
 25 knots in the afternoon. Bay waters rough, diminishing to
 choppy in the afternoon. Showers likely with a slight chance of
 thunderstorms in the morning.

 SUNDAY NIGHT
 Northeast winds 15 to 20 knots. Bay waters
 choppy.

 MONDAY
 East winds 15 to 20 knots, diminishing to around
 15 knots in the afternoon. Bay waters choppy, diminishing to
 slightly choppy in the afternoon.

 MONDAY NIGHT
 East winds 10 to 15 knots. Bay waters slightly
 choppy.

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

 TUESDAY NIGHT
 Southeast winds 10 to 15 knots with gusts up to
 20 knots. Bay waters slightly choppy. A chance of thunderstorms
 in the evening. A chance of showers.

 WEDNESDAY
 Southeast winds 10 to 15 knots. Bay waters slightly
 choppy. A chance of thunderstorms. Showers likely, mainly in the
 morning.

 WEDNESDAY NIGHT
 Southeast winds 15 to 20 knots. Bay waters
 choppy.

 THURSDAY
 Southeast winds 15 to 20 knots. Bay waters choppy.

 THURSDAY NIGHT
 Southeast winds 15 to 20 knots. Bay waters
 choppy.
 
 Winds and waves higher in and near thunderstorms.
 
 $$