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Simpson Creek, FL - A1a Highway Bridge Marine Weather Forecast

Station MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL

December 18, 2025 1:00 pm EST
Location: 30.398N 81.428W
Wind Direction: ESE (110°)
Wind Speed: 6.0 knots
Wind Gust: 8.9 knots
Atmospheric Pressure: 30.04 in (1017.3 mb)
Pressure Tendency: -0.08 in (-2.8 mb)
Air Temperature: 69.6°F (20.9°C)
Water Temperature: 59.7°F (15.4°C)


This Afternoon - 72°F
Dec 18, 2025
14 mph SE
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 72, with temperatures falling to around 67 in the afternoon. Southeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 63°F
Dec 18, 2025
15 mph S
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 63. South wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Friday - 72°F
Dec 19, 2025
9 to 14 mph W
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 64 in the afternoon. West wind 9 to 14 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
Friday Night - 46°F
Dec 19, 2025
9 mph N
Mostly Clear
Mostly clear, with a low around 46. North wind around 9 mph.
Saturday - 65°F
Dec 20, 2025
7 mph NE
Sunny
Sunny, with a high near 65. Northeast wind around 7 mph.
Saturday Night - 50°F
Dec 20, 2025
1 to 5 mph N
Mostly Clear
Mostly clear, with a low around 50.
Sunday - 68°F
Dec 21, 2025
3 to 8 mph N
Sunny
Sunny, with a high near 68.
Sunday Night - 54°F
Dec 21, 2025
6 to 17 mph NE
Mostly Clear
Mostly clear, with a low around 54.
Monday - 64°F
Dec 22, 2025
18 mph NE
Mostly Sunny
Mostly sunny, with a high near 64.
Monday Night - 54°F
Dec 22, 2025
8 to 17 mph NE
Partly Cloudy
Partly cloudy, with a low around 54.
Tuesday - 68°F
Dec 23, 2025
7 to 10 mph E
Sunny
Sunny, with a high near 68.
Tuesday Night - 53°F
Dec 23, 2025
2 to 7 mph NE
Mostly Clear
Mostly clear, with a low around 53.
Wednesday - 70°F
Dec 24, 2025
3 to 7 mph NE
Sunny
Sunny, with a high near 70.
Wednesday Night - 52°F
Dec 24, 2025
6 mph S
Mostly Clear
Mostly clear, with a low around 52.

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