Nassau River entrance, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Aug 2 		Showers Early
Close Hourly 		-º / 76º 63% SSW 11 mph 89%
11pm Light Rain 77º 75% SSW 12 mph 87%
Mon
Aug 3 		PM Thunderstorms
View Hourly 		85º / 76º 77% SW 15 mph 80%
12am Showers 76º 61% SW 11 mph 91%
1am Cloudy 76º 14% SW 12 mph 92%
2am Cloudy 77º 10% SSW 12 mph 90%
3am Cloudy 77º 6% SSW 11 mph 88%
4am Cloudy 77º 6% SSW 11 mph 89%
5am Cloudy 77º 13% SSW 11 mph 87%
6am Mostly Cloudy 77º 21% SSW 11 mph 87%
7am Mostly Cloudy 77º 18% SSW 10 mph 88%
8am Cloudy 78º 21% SSW 11 mph 86%
9am Cloudy 79º 24% SW 12 mph 84%
10am Cloudy 81º 24% SW 12 mph 81%
11am Mostly Cloudy 83º 24% SW 14 mph 79%
12pm Isolated Thunderstorms 84º 32% SW 14 mph 73%
1pm Scattered Thunderstorms 85º 41% SW 14 mph 72%
2pm Thunderstorms 85º 77% SW 14 mph 74%
3pm Thunderstorms 83º 77% SW 14 mph 78%
4pm Cloudy 81º 24% SW 15 mph 78%
5pm Cloudy 81º 24% SSW 12 mph 80%
6pm Cloudy 80º 23% SSW 11 mph 81%
7pm Cloudy 80º 13% SSW 11 mph 80%
8pm Cloudy 79º 12% SSW 9 mph 84%
9pm Mostly Cloudy 79º 16% SSW 7 mph 84%
10pm Mostly Cloudy 78º 13% SSW 7 mph 84%
11pm Partly Cloudy 78º 10% SSW 8 mph 84%
Tue
Aug 4 		PM Thunderstorms
View Hourly 		87º / 75º 47% SSW 11 mph 77%
12am Mostly Cloudy 78º 11% SSW 7 mph 86%
1am Mostly Cloudy 78º 16% SSW 8 mph 87%
2am Mostly Cloudy 78º 15% SSW 8 mph 87%
3am Partly Cloudy 78º 21% SSW 8 mph 87%
4am Partly Cloudy 77º 14% SSW 7 mph 89%
5am Partly Cloudy 77º 14% SSW 8 mph 88%
6am Mostly Cloudy 77º 12% SSW 7 mph 89%
7am Mostly Cloudy 77º 19% SSW 7 mph 90%
8am Cloudy 78º 24% SW 7 mph 88%
9am Cloudy 80º 24% SW 9 mph 84%
10am Partly Cloudy 83º 24% SW 8 mph 77%
11am Partly Cloudy 84º 17% SW 9 mph 74%
12pm Mostly Cloudy 86º 13% SW 9 mph 70%
1pm Mostly Cloudy 86º 21% SSW 9 mph 69%
2pm Scattered Thunderstorms 86º 42% S 10 mph 71%
3pm Scattered Thunderstorms 85º 36% S 11 mph 73%
4pm Mostly Cloudy 85º 24% S 11 mph 72%
5pm Showers 84º 48% SSE 11 mph 73%
6pm Partly Cloudy 83º 19% SSE 10 mph 77%
7pm Showers 82º 38% SSE 11 mph 79%
8pm Showers 80º 43% S 10 mph 82%
9pm Partly Cloudy 80º 22% SSE 8 mph 83%
10pm Partly Cloudy 80º 14% S 8 mph 85%
Wed
Aug 5 		PM Thunderstorms 87º / 77º 66% S 14 mph 76%
Thu
Aug 6 		Scattered Thunderstorms 87º / 78º 53% ESE 14 mph 77%
Fri
Aug 7 		Scattered Thunderstorms 87º / 78º 55% E 15 mph 74%
Sat
Aug 8 		Scattered Thunderstorms 85º / 77º 47% ESE 14 mph 77%
Sun
Aug 9 		Scattered Thunderstorms 88º / 77º 50% SE 13 mph 76%

Weather Radar for Nassau River entrance, FL See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Nassau River entrance, FL

Tonight
Low : 77ºF
SSW wind around 13 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Monday
High : 84ºF
SSW wind 13 to 15 kt. Showers and thunderstorms likely, mainly before 4pm. Seas 1 ft or less.
Monday Night
Low : 77ºF
SSW wind 9 to 11 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday
High : 86ºF
SSW wind around 9 kt. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.
Tuesday Night
Low : 78ºF
SSE wind 6 to 11 kt. Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Seas 1 ft or less.
Wednesday
High : 86ºF
Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
Low : 79ºF
SSE wind 5 to 11 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.
Thursday
High : 85ºF
Variable winds less than 5 kt becoming E 7 to 12 kt in the afternoon. A chance of showers and thunderstorms, mainly before 2pm. Seas 1 ft or less.
Thursday Night
Low : 80ºF
ESE wind 7 to 10 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Seas 1 ft or less.

NOAA Buoy Data Near Nassau River entrance, FL See Map

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    Wind Speed Forecast for Nassau River entrance, FL

    MondayTuesday
    Wind Speed (MPH) 12111014141188791111
    3am7am11am3pm7pm11pm3am7am11am3pm7pm11pm
    MPH 12111014141188791111
    DIR SSWSSWSSWSWSWSSWSSWSSWSSWSWSSSE

    Current Weather Conditions In Nassau River entrance, FL

    As Of: 39 minutes ago

    • 77ºF
    • 77ºF
    • 12mph
    • 0º (SSW)
    • 19mph
    • Light Rain
    • 7mi
    • 29.88"
    • 87%
    • 0ºF

    The weather right now in Nassau River entrance, FL is Light Rain. The current temperature is 77°F, and the expected high and low for today, Sunday, August 2, 2026, are -° high temperature and 76°F low temperature. The wind is currently blowing at 12 miles per hour, and coming from the South Southwest. The wind is gusting to 19 mph. With the wind and the atmosphere the temperature feels like 77° Fahrenheit. Expected precipitation is 75 percent, with current humidity at 87 percent, and air pressure at 29.88 in. Visibility is 7 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:32pm Sun Aug 2 2026

    ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT MONDAY...

    WHAT: Southwest winds 15 to 25 kt with gusts up to 30 kt.

    WHERE: All Southeast Georgia coastal waters from Altamaha
    Sound GA to Fernandina Beach FL out to 60 NM and Coastal
    waters from Fernandina Beach FL to St Augustine FL out to 60
    NM.

    WHEN: Until 11 AM EDT Monday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&