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Fort Matanzas, FL - Matanzas River, ICWW Marine Weather Forecast

Today - 94°F
Jul 25, 2026
1 to 8 mph S
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 94, with temperatures falling to around 90 in the afternoon. Heat index values as high as 109. South wind 1 to 8 mph. Chance of precipitation is 20%.
Tonight - 76°F
Jul 25, 2026
2 to 6 mph S
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 76, with temperatures rising to around 77 overnight. Heat index values as high as 100. South wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 93°F
Jul 26, 2026
3 to 9 mph W
Showers And Thunderstorms Likely
A chance of rain showers between 10am and 11am, then showers and thunderstorms likely. Partly sunny. High near 93, with temperatures falling to around 86 in the afternoon. Heat index values as high as 107. West wind 3 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night - 75°F
Jul 26, 2026
8 mph SW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 75. Southwest wind around 8 mph. Chance of precipitation is 80%.
Monday - 92°F
Jul 27, 2026
9 mph W
Chance Showers And Thunderstorms
A slight chance of rain showers between 8am and 11am, then a chance of showers and thunderstorms. Partly sunny. High near 92, with temperatures falling to around 86 in the afternoon. West wind around 9 mph. Chance of precipitation is 50%.
Monday Night - 75°F
Jul 27, 2026
3 to 9 mph S
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 50%.
Tuesday - 93°F
Jul 28, 2026
3 to 9 mph S
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Tuesday Night - 76°F
Jul 28, 2026
7 to 10 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Wednesday - 95°F
Jul 29, 2026
13 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Wednesday Night - 75°F
Jul 29, 2026
14 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Thursday - 92°F
Jul 30, 2026
14 mph SW
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 70%.
Thursday Night - 74°F
Jul 30, 2026
10 mph SW
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.
Friday - 91°F
Jul 31, 2026
9 mph SW
Showers And Thunderstorms Likely
A slight chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Friday Night - 74°F
Jul 31, 2026
5 to 8 mph SW
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 74.

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