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Grand Bay Nerr, MS - Mississippi Sound Marine Weather Forecast

Overnight - 67°F
Apr 28, 2026
5 mph S
Mostly Cloudy
Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. South wind around 5 mph.
Tuesday - 80°F
Apr 28, 2026
5 to 10 mph SE
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. Southeast wind 5 to 10 mph.
Tuesday Night - 68°F
Apr 28, 2026
5 to 10 mph S
Mostly Cloudy
Mostly cloudy, with a low around 68. South wind 5 to 10 mph.
Wednesday - 81°F
Apr 29, 2026
5 to 10 mph S
Partly Sunny
Partly sunny, with a high near 81. South wind 5 to 10 mph.
Wednesday Night - 66°F
Apr 29, 2026
5 to 10 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday - 80°F
Apr 30, 2026
5 to 10 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night - 63°F
Apr 30, 2026
5 to 10 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday - 77°F
May 01, 2026
10 mph E
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. East wind around 10 mph.
Friday Night - 60°F
May 01, 2026
10 to 15 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday - 71°F
May 02, 2026
15 to 20 mph N
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 71. North wind 15 to 20 mph.
Saturday Night - 52°F
May 02, 2026
10 to 15 mph N
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. North wind 10 to 15 mph.
Sunday - 74°F
May 03, 2026
5 to 10 mph N
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 7am. Mostly sunny, with a high near 74. North wind 5 to 10 mph.
Sunday Night - 52°F
May 03, 2026
5 mph N
Mostly Clear
Mostly clear, with a low around 52. North wind around 5 mph.
Monday - 75°F
May 04, 2026
5 to 10 mph SE
Sunny
Sunny, with a high near 75. Southeast wind 5 to 10 mph.

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