Nearby Harbors
30.5183’ N, 81.4533’ W

Nassau River entrance, FL

72°
H -°
L 68°
NE
20mph
Low tide
3:32 am
Photo Credits

Nassau River entrance, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Oct 25 		Partly Cloudy
Close Hourly 		-º / 68º 24% NE 19 mph 77%
11pm Partly Cloudy/Wind 72º 24% NE 20 mph 79%
Mon
Oct 26 		Cloudy/Wind
View Hourly 		72º / 67º 23% NNE 20 mph 77%
12am Partly Cloudy 73º 2% NE 19 mph 76%
1am Partly Cloudy 72º 4% NE 19 mph 76%
2am Partly Cloudy 71º 4% NE 19 mph 76%
3am Partly Cloudy 70º 6% NE 19 mph 77%
4am Partly Cloudy 70º 7% NE 19 mph 78%
5am Partly Cloudy 72º 10% NNE 18 mph 73%
6am Mostly Cloudy 70º 17% NNE 18 mph 77%
7am Mostly Cloudy 69º 23% NNE 18 mph 79%
8am Mostly Cloudy 69º 20% NNE 18 mph 81%
9am Cloudy 69º 15% NNE 18 mph 82%
10am Cloudy 69º 9% NNE 19 mph 81%
11am Mostly Cloudy/Wind 70º 6% NNE 20 mph 79%
12pm Mostly Cloudy/Wind 70º 7% NNE 20 mph 77%
1pm Cloudy/Wind 72º 7% NNE 20 mph 74%
2pm Cloudy/Wind 72º 4% NNE 20 mph 73%
3pm Mostly Cloudy 72º 7% NNE 19 mph 74%
4pm Mostly Cloudy 71º 7% NNE 19 mph 75%
5pm Mostly Cloudy 70º 4% NNE 18 mph 77%
6pm Partly Cloudy 70º 10% NNE 17 mph 77%
7pm Partly Cloudy 69º 17% NNE 16 mph 77%
8pm Partly Cloudy 70º 11% NNE 16 mph 76%
9pm Partly Cloudy 69º 5% NNE 16 mph 77%
10pm Mostly Clear 69º 4% NE 16 mph 78%
11pm Partly Cloudy 69º 4% NNE 14 mph 77%
Tue
Oct 27 		Partly Cloudy
View Hourly 		75º / 68º 12% NNE 19 mph 77%
12am Partly Cloudy 69º 4% NE 14 mph 78%
1am Partly Cloudy 69º 6% NE 14 mph 79%
2am Partly Cloudy 68º 5% NE 14 mph 81%
3am Mostly Clear 68º 7% NNE 14 mph 82%
4am Partly Cloudy 68º 8% NNE 14 mph 82%
5am Partly Cloudy 69º 7% NNE 13 mph 79%
6am Partly Cloudy 69º 7% NNE 14 mph 80%
7am Partly Cloudy 69º 5% NNE 14 mph 82%
8am Partly Cloudy 68º 9% NNE 14 mph 83%
9am Partly Cloudy 69º 12% NNE 14 mph 84%
10am Mostly Cloudy 71º 11% NNE 16 mph 81%
11am Mostly Cloudy 72º 6% NNE 17 mph 77%
12pm Partly Cloudy 73º 6% NNE 18 mph 73%
1pm Partly Cloudy 74º 4% NNE 19 mph 73%
2pm Partly Cloudy 74º 5% NNE 18 mph 71%
3pm Partly Cloudy 74º 4% NNE 18 mph 71%
4pm Mostly Sunny 74º 5% NNE 18 mph 73%
5pm Mostly Sunny 73º 3% NNE 17 mph 74%
6pm Mostly Sunny 72º 6% NNE 16 mph 76%
7pm Clear 71º 6% NNE 15 mph 77%
8pm Clear 70º 7% NNE 15 mph 78%
9pm Clear 70º 7% NNE 15 mph 80%
10pm Mostly Clear 70º 7% NE 15 mph 79%
Wed
Oct 28 		Partly Cloudy 75º / 70º 18% NNE 19 mph 78%
Thu
Oct 29 		Showers 76º / 68º 51% NNE 17 mph 83%
Fri
Oct 30 		Partly Cloudy 75º / 68º 23% NNE 16 mph 84%
Sat
Oct 31 		PM Showers 77º / 69º 36% NE 13 mph 83%
Sun
Nov 1 		Scattered Thunderstorms 76º / 67º 40% NE 10 mph 78%

Weather Radar for Nassau River entrance, FL See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Nassau River entrance, FL

Overnight
Low : 68ºF
NE wind 20 to 23 kt, with gusts as high as 35 kt. A slight chance of showers before 1am, then a slight chance of showers after 5am. Seas 1 ft or less.
Monday
High : 72ºF
NNE wind 21 to 23 kt, with gusts as high as 34 kt. A slight chance of showers before 8am. Seas 4 ft subsiding to 1 ft or less.
Monday Night
Low : 68ºF
NNE wind 19 to 21 kt. Partly cloudy. Seas 3 ft subsiding to 1 ft or less.
Tuesday
High : 73ºF
NNE wind 18 to 20 kt. Mostly sunny. Seas 3 ft subsiding to 1 ft or less.
Tuesday Night
Low : 69ºF
NE wind around 19 kt. Partly cloudy. Seas 1 ft or less building to 3 ft.
Wednesday
High : 74ºF
NNE wind 17 to 23 kt. A slight chance of showers after 2pm. Seas 1 ft or less building to 3 ft.
Wednesday Night
Low : 72ºF
NE wind 18 to 24 kt. A slight chance of showers. Seas 1 ft or less building to 3 ft.
Thursday
High : 74ºF
NE wind 17 to 22 kt. A chance of showers. Seas 1 ft or less building to 3 ft.
Thursday Night
Low : 71ºF
NE wind 17 to 23 kt. Partly cloudy. 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) 201918201916141414171815
    3am7am11am3pm7pm11pm3am7am11am3pm7pm11pm
    MPH 201918201916141414171815
    DIR NENENNENNENNENNENNENNENNENNENNENNE

    Current Weather Conditions In Nassau River entrance, FL

    As Of: 8 minutes ago

    • 72ºF
    • 72ºF
    • 20mph
    • 0º (NE)
    • 32mph
    • Partly Cloudy/Wind
    • 10mi
    • 30.18"
    • 79%
    • 0ºF

    The weather right now in Nassau River entrance, FL is Partly Cloudy/Wind. The current temperature is 72°F, and the expected high and low for today, Sunday, October 25, 2026, are -° high temperature and 68°F low temperature. The wind is currently blowing at 20 miles per hour, and coming from the Northeast. The wind is gusting to 32 mph. With the wind and the atmosphere the temperature feels like 72° Fahrenheit. Expected precipitation is 24 percent, with current humidity at 79 percent, and air pressure at 30.18 in. Visibility is 10 nautical miles. There are 4 current weather alert(s).

    Weather Alerts
    Coastal Flood Warning - 3:47am Sun Oct 25 2026

    ...COASTAL FLOOD WARNING NOW IN EFFECT UNTIL 5 AM EDT WEDNESDAY... ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TUESDAY NIGHT...

    WHAT: For the Coastal Flood Warning, significant coastal
    flooding around times of high tide. For the High Surf Advisory,
    large breaking waves of 8 to 10 feet. For the High Rip Current
    Risk, dangerous rip currents.

    WHERE: Northeast Florida Beaches.

    WHEN: For the Coastal Flood Warning, until 5 AM EDT
    Wednesday. For the High Surf Advisory, until 2 AM EDT
    Wednesday. For the High Rip Current Risk, through late Tuesday
    night.

    IMPACTS: Numerous roads may be closed. Low lying property
    including homes, businesses, and some critical infrastructure
    will be inundated. Some shoreline erosion will occur.
    Dangerous swimming and surfing conditions and localized beach
    erosion. Rip currents can sweep even the best swimmers away
    from shore into deeper water.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Take the necessary actions to protect flood-prone property. If
    travel is required, do not drive around barricades or through
    water of unknown depth.

    Inexperienced swimmers should remain out of the water due to
    dangerous surf conditions.

    Swim near a lifeguard. If caught in a rip current, relax and
    float. Don't swim against the current. If able, swim in a
    direction following the shoreline. If unable to escape, face the
    shore and call or wave for help.

    &&

    Rip Current Statement - 3:47am Sun Oct 25 2026

    ...COASTAL FLOOD WARNING NOW IN EFFECT UNTIL 5 AM EDT WEDNESDAY... ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TUESDAY NIGHT...

    WHAT: For the Coastal Flood Warning, significant coastal
    flooding around times of high tide. For the High Surf Advisory,
    large breaking waves of 8 to 10 feet. For the High Rip Current
    Risk, dangerous rip currents.

    WHERE: Northeast Florida Beaches.

    WHEN: For the Coastal Flood Warning, until 5 AM EDT
    Wednesday. For the High Surf Advisory, until 2 AM EDT
    Wednesday. For the High Rip Current Risk, through late Tuesday
    night.

    IMPACTS: Numerous roads may be closed. Low lying property
    including homes, businesses, and some critical infrastructure
    will be inundated. Some shoreline erosion will occur.
    Dangerous swimming and surfing conditions and localized beach
    erosion. Rip currents can sweep even the best swimmers away
    from shore into deeper water.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Take the necessary actions to protect flood-prone property. If
    travel is required, do not drive around barricades or through
    water of unknown depth.

    Inexperienced swimmers should remain out of the water due to
    dangerous surf conditions.

    Swim near a lifeguard. If caught in a rip current, relax and
    float. Don't swim against the current. If able, swim in a
    direction following the shoreline. If unable to escape, face the
    shore and call or wave for help.

    &&

    Gale Warning - 3:44am Sun Oct 25 2026

    ...GALE WARNING NOW IN EFFECT UNTIL 2 AM EDT TUESDAY...

    WHAT: Northeast winds 25 to 35 kt with gusts up to 40 kt and
    seas 9 to 13 ft.

    WHERE: Coastal waters from Altamaha Sound to Fernandina Beach
    FL out 20 NM, Coastal waters from Fernandina Beach to St.
    Augustine FL out 20 NM, Coastal waters from St. Augustine to
    Flagler Beach FL out 20 NM, Waters from Altamaha Sound GA to
    Fernandina Beach FL from 20 to 60 NM and Waters from
    Fernandina Beach to St. Augustine FL from 20 to 60 NM.

    WHEN: Until 2 AM EDT Tuesday.

    IMPACTS: Strong winds will cause hazardous seas which could
    capsize or damage vessels and reduce visibility.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Mariners should alter plans to avoid these hazardous conditions.
    Remain in port, seek safe harbor, alter course, and/or secure the
    vessel for hazardous conditions.

    &&

    High Surf Advisory - 3:47am Sun Oct 25 2026

    ...COASTAL FLOOD WARNING NOW IN EFFECT UNTIL 5 AM EDT WEDNESDAY... ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TUESDAY NIGHT...

    WHAT: For the Coastal Flood Warning, significant coastal
    flooding around times of high tide. For the High Surf Advisory,
    large breaking waves of 8 to 10 feet. For the High Rip Current
    Risk, dangerous rip currents.

    WHERE: Northeast Florida Beaches.

    WHEN: For the Coastal Flood Warning, until 5 AM EDT
    Wednesday. For the High Surf Advisory, until 2 AM EDT
    Wednesday. For the High Rip Current Risk, through late Tuesday
    night.

    IMPACTS: Numerous roads may be closed. Low lying property
    including homes, businesses, and some critical infrastructure
    will be inundated. Some shoreline erosion will occur.
    Dangerous swimming and surfing conditions and localized beach
    erosion. Rip currents can sweep even the best swimmers away
    from shore into deeper water.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Take the necessary actions to protect flood-prone property. If
    travel is required, do not drive around barricades or through
    water of unknown depth.

    Inexperienced swimmers should remain out of the water due to
    dangerous surf conditions.

    Swim near a lifeguard. If caught in a rip current, relax and
    float. Don't swim against the current. If able, swim in a
    direction following the shoreline. If unable to escape, face the
    shore and call or wave for help.

    &&

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