Nearby Harbors
24.7550’ N, 80.9583’ W

Grassy Key, south side, Hawk Channel, FL

83°
H -°
L 82°
E
4mph
High tide
10:43 pm
Photo Credits

Grassy Key, south side, Hawk Channel, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Sep 12 		Rain
Close Hourly 		-º / 82º 100% SE 7 mph 80%
8pm Mostly Cloudy 83º 15% E 4 mph 78%
9pm Mostly Cloudy 83º 16% E 3 mph 78%
10pm Few Showers 84º 32% E 5 mph 78%
11pm Light Rain 83º 78% E 5 mph 81%
Sun
Sep 13 		AM Showers
View Hourly 		87º / 82º 36% SW 5 mph 73%
12am Light Rain 83º 85% SE 5 mph 83%
1am Rain 83º 100% SE 5 mph 83%
2am Showers 83º 39% SE 7 mph 82%
3am Mostly Cloudy 83º 5% SSE 6 mph 80%
4am Mostly Cloudy 84º 5% S 6 mph 81%
5am Mostly Cloudy 84º 8% S 6 mph 79%
6am Mostly Cloudy 84º 9% S 6 mph 79%
7am Mostly Cloudy 84º 9% SSW 5 mph 79%
8am Mostly Cloudy 85º 22% SSW 4 mph 79%
9am Mostly Cloudy 86º 24% SSW 4 mph 74%
10am Showers 86º 36% SW 4 mph 74%
11am Showers 86º 36% SSW 4 mph 74%
12pm Few Showers 86º 30% SSW 4 mph 73%
1pm Mostly Cloudy 87º 22% SW 4 mph 72%
2pm Mostly Cloudy 87º 22% SW 4 mph 71%
3pm Mostly Cloudy 86º 21% WSW 4 mph 72%
4pm Mostly Cloudy 86º 22% WSW 4 mph 70%
5pm Mostly Cloudy 86º 24% WNW 3 mph 72%
6pm Mostly Cloudy 86º 24% NW 3 mph 71%
7pm Isolated Thunderstorms 85º 31% NNW 3 mph 73%
8pm Mostly Cloudy 84º 15% NNW 4 mph 74%
9pm Mostly Cloudy 84º 15% N 3 mph 77%
10pm Mostly Cloudy 84º 15% N 2 mph 78%
11pm Mostly Cloudy 84º 15% N 2 mph 79%
Mon
Sep 14 		AM Showers
View Hourly 		87º / 83º 33% E 5 mph 72%
12am Mostly Cloudy 84º 5% NNE 2 mph 78%
1am Partly Cloudy 84º 9% ENE 2 mph 79%
2am Partly Cloudy 83º 9% ENE 2 mph 79%
3am Partly Cloudy 83º 6% NE 1 mph 79%
4am Mostly Cloudy 83º 11% ENE 1 mph 81%
5am Partly Cloudy 83º 9% E 2 mph 80%
6am Partly Cloudy 83º 9% ENE 1 mph 79%
7am Partly Cloudy 83º 13% ENE 1 mph 79%
8am Partly Cloudy 84º 13% NE 2 mph 77%
9am Partly Cloudy 86º 15% ENE 2 mph 74%
10am Partly Cloudy 86º 16% NE 3 mph 73%
11am Few Showers 86º 33% ENE 4 mph 73%
12pm Few Showers 86º 33% ENE 5 mph 73%
1pm Mostly Cloudy 87º 7% ENE 4 mph 71%
2pm Partly Cloudy 87º 15% ESE 3 mph 71%
3pm Partly Cloudy 87º 15% SE 5 mph 71%
4pm Partly Cloudy 87º 15% ESE 4 mph 68%
5pm Partly Cloudy 87º 15% ESE 4 mph 69%
6pm Partly Cloudy 87º 15% E 4 mph 69%
7pm Partly Cloudy 86º 6% ENE 4 mph 70%
Tue
Sep 15 		PM Thunderstorms 88º / 82º 39% E 12 mph 71%
Wed
Sep 16 		Scattered Thunderstorms 86º / 81º 45% ENE 13 mph 74%
Thu
Sep 17 		Scattered Thunderstorms 86º / 81º 46% E 10 mph 75%
Fri
Sep 18 		Scattered Thunderstorms 86º / 82º 56% ESE 8 mph 75%
Sat
Sep 19 		Scattered Thunderstorms 86º / 81º 41% ESE 6 mph 74%

Weather Radar for Grassy Key, south side, Hawk Channel, FL See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Grassy Key, south side, Hawk Channel, FL

Tonight
Low : 83ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
High : 89ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
Low : 83ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday
High : 88ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday Night
Low : 83ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday
High : 89ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
Low : 82ºF
ENE wind around 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Wednesday
High : 88ºF
E wind around 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Wednesday Night
Low : 82ºF
E wind around 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

NOAA Buoy Data Near Grassy Key, south side, Hawk Channel, FL See Map

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    Wind Speed Forecast for Grassy Key, south side, Hawk Channel, FL

    SundayMonday
    Wind Speed (MPH) 456444421254
    12am4am8am12pm4pm8pm12am4am8am12pm4pm8pm
    MPH 456444421254
    DIR ESESSSWSSWWSWNNWNNEENENEENEESE

    Current Weather Conditions In Grassy Key, south side, Hawk Channel, FL

    As Of: 1 minute ago

    • 83ºF
    • 92ºF
    • 4mph
    • 0º (E)
    • 4mph
    • Mostly Cloudy
    • 10mi
    • 30.00"
    • 78%
    • 0ºF

    The weather right now in Grassy Key, south side, Hawk Channel, FL is Mostly Cloudy. The current temperature is 83°F, and the expected high and low for today, Saturday, September 12, 2026, are -° high temperature and 82°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the East. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 92° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 78 percent, and air pressure at 30 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Flood Advisory - 7:48pm Sat Sep 12 2026

    ...FLOOD ADVISORY IN EFFECT UNTIL 845 PM EDT THIS EVENING...

    WHAT: Flooding caused by excessive rainfall is expected.

    WHERE: Upper Keys in Monroe in Florida...

    WHEN: Until 845 PM EDT.

    IMPACTS: Minor flooding in low-lying and poor drainage areas.

    ADDITIONAL DETAILS: - At 748 PM EDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding is ongoing or expected to begin
    shortly in the advisory area. Between 1.5 and 2 inches of rain
    have fallen.
    - Additional rainfall amounts of 1 to 1.5 inches are expected over
    the area. This additional rain will result in minor flooding.
    - Some locations that will experience flooding include...
    Jewfish Creek Bridge, Key Largo, Route 1/card Sound, Route 1/card
    Sound Road Split and North Key Largo.
    - This includes US 1 between mile markers 104 and 111.
    - http://www.weather.gov/safety/flood

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Turn around, don't drown when encountering flooded roads. Most flood
    deaths occur in vehicles.

    &&

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