GMZ300-191715-
 1133 PM CDT Tue Aug 18 2026
 
 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
 including Galveston and Matagorda Bays.
 
 Light to moderate southwest to south winds are expected over the
 next several days. Some gusts to 0kt are possible in the bays
 during the late afternoon and evening hours, and in the Gulf
 waters overnight. Seas in the 2-4ft range should generally
 prevail.
 
 $$



   GMZ350-355-191715-  Coastal waters from Freeport to Matagorda Ship Channel TX out  20 NM-Coastal waters from High Island to Freeport TX out 20 NM-  1133 PM CDT Tue Aug 18 2026    OVERNIGHT  South winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: South 2 feet at 4 seconds and southeast 1 foot at  9 seconds.  WEDNESDAY  Southwest winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at  8 seconds.  WEDNESDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at  7 seconds.  THURSDAY  Southwest winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at  7 seconds.  THURSDAY NIGHT  South winds 10 to 15 knots. Seas around 2 feet.  Wave Detail: South 2 feet at 4 seconds.  FRIDAY  Southwest winds 10 to 15 knots. Seas around 2 feet.  Wave Detail: South 2 feet at 4 seconds.  FRIDAY NIGHT  Southwest winds 10 to 15 knots. Seas around  2 feet.  SATURDAY  Southwest winds 10 to 15 knots, diminishing to around  10 knots in the afternoon. Seas around 2 feet.  SATURDAY NIGHT  Southwest winds 10 to 15 knots. Seas around  2 feet.  SUNDAY  Southwest winds 5 to 10 knots. Seas around 2 feet.  SUNDAY NIGHT  South winds 10 to 15 knots. Seas around 2 feet.    $$