Nearby Harbors
25.1400’ N, 80.3950’ W

Largo Sound, Key Largo, FL

76°
H -°
L 74°
NNW
12mph
High tide
12:24 am
Photo Credits

Largo Sound, Key Largo, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Oct 27 		Partly Cloudy -º / 74º 24% NNW 12 mph 93%
Wed
Oct 28 		Partly Cloudy
View Hourly 		84º / 77º 22% NE 12 mph 80%
12am Showers 76º 47% NNW 12 mph 91%
1am Few Showers 76º 31% NNW 12 mph 93%
2am Cloudy 76º 15% NNW 10 mph 92%
3am Mostly Cloudy 77º 8% NNW 8 mph 91%
4am Mostly Cloudy 77º 9% NNW 8 mph 91%
5am Partly Cloudy 76º 11% NNW 8 mph 92%
6am Partly Cloudy 76º 8% N 8 mph 92%
7am Partly Cloudy 75º 17% N 5 mph 94%
8am Partly Cloudy 76º 13% N 6 mph 93%
9am Partly Cloudy 78º 12% NNE 6 mph 88%
10am Mostly Cloudy 81º 9% NE 9 mph 81%
11am Partly Cloudy 82º 7% NE 10 mph 78%
12pm Mostly Cloudy 83º 15% NE 11 mph 75%
1pm Partly Cloudy 83º 15% ENE 12 mph 73%
2pm Partly Cloudy 84º 22% ENE 11 mph 74%
3pm Partly Cloudy 83º 15% ENE 12 mph 74%
4pm Partly Cloudy 83º 15% ENE 10 mph 76%
5pm Partly Cloudy 83º 6% ENE 10 mph 76%
6pm Partly Cloudy 82º 6% ENE 10 mph 77%
7pm Partly Cloudy 81º 8% ENE 8 mph 80%
8pm Partly Cloudy 81º 6% ENE 7 mph 81%
9pm Partly Cloudy 80º 6% ENE 7 mph 82%
10pm Partly Cloudy 80º 8% ENE 6 mph 83%
11pm Partly Cloudy 80º 8% ENE 6 mph 84%
Thu
Oct 29 		Partly Cloudy
View Hourly 		84º / 77º 22% NE 7 mph 78%
12am Partly Cloudy 80º 10% ENE 6 mph 84%
1am Partly Cloudy 79º 13% ENE 6 mph 85%
2am Partly Cloudy 79º 11% ENE 6 mph 85%
3am Mostly Cloudy 79º 14% E 5 mph 85%
4am Mostly Cloudy 79º 11% N 5 mph 86%
5am Mostly Cloudy 79º 10% NNE 4 mph 86%
6am Partly Cloudy 78º 6% N 3 mph 87%
7am Partly Cloudy 78º 6% NNW 3 mph 88%
8am Partly Cloudy 78º 8% N 2 mph 89%
9am Partly Cloudy 79º 16% NNE 3 mph 86%
10am Partly Cloudy 81º 10% NE 4 mph 80%
11am Partly Cloudy 83º 22% NE 5 mph 76%
12pm Partly Cloudy 83º 7% ENE 6 mph 73%
1pm Partly Cloudy 84º 15% ENE 7 mph 73%
2pm Partly Cloudy 84º 15% ENE 6 mph 73%
3pm Partly Cloudy 84º 15% ENE 7 mph 73%
4pm Partly Cloudy 83º 15% ENE 6 mph 74%
5pm Partly Cloudy 83º 15% ENE 6 mph 73%
6pm Partly Cloudy 83º 15% ENE 6 mph 76%
7pm Partly Cloudy 81º 5% NE 5 mph 79%
8pm Partly Cloudy 81º 5% NE 4 mph 80%
9pm Partly Cloudy 81º 6% NE 5 mph 81%
10pm Mostly Clear 81º 6% NE 5 mph 81%
11pm Partly Cloudy 80º 8% NE 5 mph 83%
Fri
Oct 30 		Partly Cloudy 84º / 78º 24% NE 10 mph 78%
Sat
Oct 31 		Partly Cloudy 83º / 77º 24% ENE 12 mph 76%
Sun
Nov 1 		PM Showers 82º / 76º 42% E 12 mph 78%
Mon
Nov 2 		Partly Cloudy 82º / 75º 18% NE 8 mph 78%
Tue
Nov 3 		Partly Cloudy 83º / 76º 13% NNE 8 mph 76%

Weather Radar for Largo Sound, Key Largo, FL See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Largo Sound, Key Largo, FL

Tonight
Low : 75ºF
N wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday
High : 85ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday Night
Low : 75ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
High : 86ºF
Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.
Thursday Night
Low : 75ºF
Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.
Friday
High : 86ºF
Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.
Friday Night
Low : 77ºF
Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.
Saturday
High : 84ºF
E wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
Low : 77ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.

NOAA Buoy Data Near Largo Sound, Key Largo, FL See Map

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    Wind Speed Forecast for Largo Sound, Key Largo, FL

    WednesdayThursdayFriday
    Wind Speed (MPH) 128611107652664
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 128611107652664
    DIR NNWNNWNNEENEENEENENNENEENENE

    Current Weather Conditions In Largo Sound, Key Largo, FL

    As Of: 3 minutes ago

    • 76ºF
    • 76ºF
    • 12mph
    • 0º (NNW)
    • 17mph
    • Showers
    • 7mi
    • 29.88"
    • 91%
    • 0ºF

    The weather right now in Largo Sound, Key Largo, FL is Showers. The current temperature is 76°F, and the expected high and low for today, Wednesday, October 28, 2026, are -° high temperature and 74°F low temperature. The wind is currently blowing at 12 miles per hour, and coming from the North Northwest. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 76° Fahrenheit. Expected precipitation is 47 percent, with current humidity at 91 percent, and air pressure at 29.88 in. Visibility is 7 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Coastal Flood Warning - 3:33pm Tue Oct 27 2026

    ...COASTAL FLOOD WARNING REMAINS IN EFFECT...

    WHAT: Major saltwater flooding.

    WHERE: The Florida Keys.

    WHEN: Through Wednesday, especially around the times of high
    tide in the Lower and Middle Keys, with little relief outside of
    high tide in the Upper Keys.

    IMPACTS: Numerous roads may be closed. Low lying property
    including homes, businesses, and some critical infrastructure
    will be inundated. Some shoreline erosion will occur.

    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.

    &&

    Small Craft Advisory - 10:22pm Tue Oct 27 2026

    ...SMALL CRAFT ADVISORY IN EFFECT...

    WHAT: North to northeast winds 20 to 25 knots, and seas 7 to
    9 feet expected, especially in the Straits of Florida.

    WHERE: Straits of Florida, Hawk Channel, Gulf waters
    including the Dry Tortugas, and Florida Bay.

    WHEN: In Effect.

    IMPACTS: A Small Craft Advisory means that wind speeds of 20
    to 33 knots, or seas of 7 feet or greater, are expected to
    produce hazardous conditions for small craft. These hazardous
    conditions may result in poor vessel handling and steering
    response, broaching, overturned dinghies and kayaks, slips and
    falls on slippery decks, rub damage along docks and seawalls,
    swamped bows at reef tract mooring balls, and dragging anchors.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced boaters, especially those with smaller vessels,
    should avoid operating in these conditions.

    &&

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