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Jacksonville, FL Local Forecast Office

3NM NW Mayport FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 89 °F
SE 10kt
< 1ft
Tonight
Low: 75 °F
S 8kt
< 1ft
Friday
High: 89 °F
ESE 11kt
< 1ft
Friday Night
Low: 75 °F
S 9kt
< 1ft
Saturday
High: 87 °F
⇑ESE 9kt
< 1ft
Saturday Night
Low: 76 °F
ESE 7kt⇓
< 1ft
Sunday
High: 88 °F
⇑E 11kt
< 1ft
Sunday Night
Low: 77 °F
E 7kt⇓
< 1ft
Monday
High: 88 °F
⇑E 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:21 pm EDT Aug 27, 2026
Forecast Valid: 4pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

S wind 6 to 8 kt. A chance of showers and thunderstorms, mainly before 9pm. Seas 1 ft or less.

Friday

SW wind 5 to 11 kt becoming ESE in the afternoon. Winds could gust as high as 17 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Friday Night

S wind 7 to 9 kt. A chance of showers and thunderstorms, mainly before midnight. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. A chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

Saturday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. A chance of showers and thunderstorms, mainly after 8am. Seas 1 ft or less.

Sunday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. A chance of showers and thunderstorms. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.