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Jacksonville, FL Local Forecast Office

Mayport FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
ENE 12kt
< 1ft
Tonight
Low: 77 °F
ESE 8kt⇓
< 1ft
Sunday
High: 85 °F
⇑ENE 9kt
< 1ft
Sunday Night
Low: 76 °F
E 6kt⇓
< 1ft
Monday
High: 84 °F
⇑ENE 9kt
< 1ft
Monday Night
Low: 76 °F
Light Wind
< 1ft
Tuesday
High: 84 °F
⇑ENE 9kt
< 1ft
Tuesday Night
Low: 75 °F
E 6kt⇓
< 1ft
Wednesday
High: 83 °F
NE 14kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:21 am EDT Sep 19, 2026
Forecast Valid: 12pm EDT Sep 19, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind 9 to 12 kt. A slight chance of showers and thunderstorms between 2pm and 3pm. Seas 1 ft or less.

Tonight

ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly after 3am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming ENE 5 to 9 kt in the morning. A chance of showers and thunderstorms, mainly between 1pm and 2pm. Seas 1 ft or less.

Sunday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. Cloudy, then gradually becoming partly cloudy. Seas 1 ft or less.

Monday

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

Monday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming ENE 5 to 9 kt in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Tuesday Night

E wind around 6 kt becoming variable and less than 5 kt after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Seas 1 ft or less.

Wednesday

NE wind 6 to 14 kt. Showers likely and possibly a thunderstorm. 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.