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Annapolis, MD Marine Weather Forecast

Station APAM2 - 8575512 - Annapolis, MD

August 18, 2026 12:30 am EDT
Location: 38.983N 76.479W
Wind Direction: WNW (290°)
Wind Speed: 6.0 knots
Wind Gust: 6.0 knots
Atmospheric Pressure: 29.83 in (1010.1 mb)
Water Temperature: 84.2°F (29.0°C)


Overnight - 74°F
Aug 18, 2026
0 to 5 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 74. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 88°F
Aug 18, 2026
8 mph N
Patchy Fog then Mostly Sunny
Patchy fog between 7am and 8am. Mostly sunny, with a high near 88. North wind around 8 mph.
Tuesday Night - 72°F
Aug 18, 2026
0 to 5 mph N
Mostly Clear
Mostly clear, with a low around 72. North wind 0 to 5 mph.
Wednesday - 89°F
Aug 19, 2026
1 to 6 mph W
Sunny
Sunny, with a high near 89. West wind 1 to 6 mph.
Wednesday Night - 74°F
Aug 19, 2026
0 to 5 mph SW
Partly Cloudy then Chance Showers And Thunderstorms
A chance of rain showers between 2am and 5am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.
Thursday - 84°F
Aug 20, 2026
1 to 8 mph N
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Thursday Night - 71°F
Aug 20, 2026
0 to 7 mph N
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Friday - 82°F
Aug 21, 2026
9 mph N
Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night - 70°F
Aug 21, 2026
2 to 6 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday - 83°F
Aug 22, 2026
3 to 7 mph NE
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Saturday Night - 70°F
Aug 22, 2026
3 to 7 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Sunday - 84°F
Aug 23, 2026
5 to 8 mph W
Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Sunday Night - 68°F
Aug 23, 2026
7 mph W
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
Monday - 84°F
Aug 24, 2026
6 to 9 mph NW
Slight Chance Rain Showers
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 84.

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