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Galveston, TX Marine Weather Forecast

Today - 89°F
Oct 02, 2026
10 to 15 mph E
Chance Showers And Thunderstorms
A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 102. East wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Tonight - 80°F
Oct 02, 2026
10 to 15 mph E
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 80. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday - 83°F
Oct 03, 2026
15 to 20 mph NE
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 83. Northeast wind 15 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night - 79°F
Oct 03, 2026
15 to 20 mph E
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 79. East wind 15 to 20 mph. Chance of precipitation is 90%.
Sunday - 82°F
Oct 04, 2026
15 to 20 mph NE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 82. Northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Sunday Night - 77°F
Oct 04, 2026
20 to 25 mph NE
Showers And Thunderstorms
Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Cloudy, with a low around 77. Chance of precipitation is 80%.
Monday - 82°F
Oct 05, 2026
15 to 25 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Monday Night - 76°F
Oct 05, 2026
15 to 20 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Tuesday - 83°F
Oct 06, 2026
10 to 20 mph NE
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Tuesday Night - 77°F
Oct 06, 2026
10 to 15 mph NE
Partly Cloudy
Partly cloudy, with a low around 77.
Wednesday - 83°F
Oct 07, 2026
15 to 20 mph NE
Sunny
Sunny, with a high near 83.
Wednesday Night - 77°F
Oct 07, 2026
15 to 20 mph NE
Partly Cloudy
Partly cloudy, with a low around 77.
Thursday - 83°F
Oct 08, 2026
15 to 20 mph NE
Mostly Sunny
Mostly sunny, with a high near 83.
Thursday Night - 77°F
Oct 08, 2026
15 to 20 mph NE
Partly Cloudy
Partly cloudy, with a low around 77.

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