GMZ355 Expires:202501211730;;428014 Fzus54 Khgx 210432 Cwfhgx
coastal waters forecast for texas national weather service houston/galveston tx 1032 pm cst Mon jan 20 2025
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.
gmz350-355-211730- coastal waters from freeport to matagorda ship channel tx out 20 nm-coastal waters from high island to freeport tx out 20 nm- 1032 pm cst Mon jan 20 2025
.small craft advisory in effect until midnight cst tonight...
.gale warning in effect from midnight cst tonight through Tuesday afternoon...
Rest of tonight..Northeast winds 25 to 30 knots with gusts up to 40 knots, rising to 30 to 35 knots with gusts up to 45 knots late. Seas 6 to 9 feet, occasionally to 11 feet. Wave detail: east 7 feet at 7 seconds. A slight chance of showers late this evening, then a chance of showers and sleet. Sleet with possible rain and snow showers likely late.
Tuesday..Northeast winds 30 to 35 knots, becoming north 20 to 25 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave detail: east 7 feet at 8 seconds. Snow showers, sleet and showers in the morning, then a slight chance of snow showers and sleet in the afternoon.
Tuesday night..North winds 15 to 20 knots, easing to around 15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 6 feet at 8 seconds.
Wednesday..Northeast winds 5 to 10 knots, veering to east late. Seas 3 to 4 feet. Wave detail: east 4 feet at 9 seconds and northeast 2 feet at 4 seconds.
Wednesday night..East winds around 5 knots, backing to northeast after midnight, then becoming north 10 to 15 knots late. Seas around 3 feet. Wave detail: southeast 3 feet at 9 seconds and east 2 feet at 5 seconds.
Thursday..Northeast winds 10 to 15 knots. Seas around 3 feet. Wave detail: northeast 3 feet at 5 seconds and southeast 2 feet at 8 seconds.
Thursday night..North winds 10 to 15 knots. Seas around 3 feet.
Friday..North winds 5 to 10 knots, veering to east in the afternoon. Seas around 3 feet in the morning, then around 2 feet or less.
Friday night..Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Saturday..Southeast winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Saturday night..Southeast winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers after midnight.

GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1032 Pm Cst Mon Jan 20 2025
Synopsis for high island to the matagorda ship channel out 60 nm including galveston and matagorda bays
gale conditions are expected tonight into Tuesday morning. A gale warning will be in effect for all area waters from midnight tonight until early Tuesday evening. Advisories will be needed beyond that time as winds and seas gradually subside. Low water levels will be possible at times. In addition to these hazards a mix of frozen precipitation is expected on the bays and near the coast tonight into Tuesday afternoon.