Nearby Harbors
24.7337’ N, 81.0279’ W

Marthon Shores Key, Vaca Cut, FL

88°
H -°
L 82°
SE
6mph
High tide
10:24 pm
Photo Credits

Marthon Shores Key, Vaca Cut, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Sep 12 		Showers Early
Close Hourly 		-º / 82º 33% SE 7 mph 78%
4pm Cloudy 88º 24% SE 6 mph 71%
5pm Cloudy 87º 15% SE 6 mph 73%
6pm Mostly Cloudy 87º 15% ESE 5 mph 73%
7pm Mostly Cloudy 85º 5% E 3 mph 77%
8pm Mostly Cloudy 84º 4% ENE 4 mph 78%
9pm Mostly Cloudy 83º 6% ENE 4 mph 81%
10pm Mostly Cloudy 83º 24% E 5 mph 81%
11pm Few Showers 84º 33% E 7 mph 81%
Sun
Sep 13 		AM Showers
View Hourly 		88º / 83º 33% WSW 5 mph 73%
12am Few Showers 83º 32% SSE 6 mph 83%
1am Mostly Cloudy 83º 24% SE 5 mph 84%
2am Mostly Cloudy 83º 13% SSE 5 mph 84%
3am Mostly Cloudy 84º 6% S 5 mph 82%
4am Mostly Cloudy 84º 5% S 5 mph 81%
5am Mostly Cloudy 85º 4% S 6 mph 77%
6am Mostly Cloudy 85º 9% S 5 mph 77%
7am Mostly Cloudy 84º 17% SSW 4 mph 79%
8am Mostly Cloudy 85º 21% SSW 3 mph 79%
9am Few Showers 87º 30% SSW 4 mph 73%
10am Partly Cloudy 86º 24% SW 4 mph 73%
11am Few Showers 87º 33% SSW 4 mph 74%
12pm Few Showers 87º 33% SSW 4 mph 71%
1pm Mostly Cloudy 87º 24% WSW 4 mph 70%
2pm Mostly Cloudy 87º 23% WSW 4 mph 70%
3pm Mostly Cloudy 87º 20% W 5 mph 72%
4pm Cloudy 87º 19% W 4 mph 70%
5pm Cloudy 87º 24% WNW 4 mph 70%
6pm Cloudy 87º 24% NW 4 mph 70%
7pm Cloudy 86º 24% NW 3 mph 73%
8pm Cloudy 85º 15% NW 4 mph 76%
9pm Cloudy 84º 15% NNW 2 mph 76%
10pm Mostly Cloudy 84º 15% NW 2 mph 77%
11pm Mostly Cloudy 84º 15% NW 2 mph 78%
Mon
Sep 14 		Partly Cloudy
View Hourly 		88º / 83º 24% E 5 mph 71%
12am Mostly Cloudy 84º 6% NNW 1 mph 77%
1am Mostly Cloudy 84º 6% N 3 mph 78%
2am Partly Cloudy 84º 4% ENE 1 mph 79%
3am Mostly Cloudy 84º 4% ENE 1 mph 79%
4am Mostly Cloudy 84º 5% NE 0 mph 79%
5am Mostly Cloudy 84º 8% ENE 1 mph 79%
6am Mostly Cloudy 84º 7% NE 1 mph 78%
7am Partly Cloudy 84º 11% ENE 1 mph 78%
8am Partly Cloudy 84º 22% NNE 2 mph 76%
9am Partly Cloudy 86º 24% E 2 mph 73%
10am Partly Cloudy 86º 20% ENE 3 mph 72%
11am Partly Cloudy 87º 10% NNE 4 mph 72%
12pm Partly Cloudy 87º 18% ENE 4 mph 71%
1pm Mostly Cloudy 87º 24% ENE 4 mph 70%
2pm Mostly Cloudy 87º 20% ESE 4 mph 70%
3pm Mostly Cloudy 87º 15% SE 4 mph 69%
Tue
Sep 15 		PM Thunderstorms 89º / 83º 38% E 11 mph 70%
Wed
Sep 16 		Scattered Thunderstorms 87º / 81º 49% ENE 12 mph 74%
Thu
Sep 17 		Scattered Thunderstorms 87º / 82º 45% E 11 mph 75%
Fri
Sep 18 		Scattered Thunderstorms 87º / 82º 55% ESE 8 mph 74%
Sat
Sep 19 		Showers 87º / 82º 43% ESE 6 mph 73%

Weather Radar for Marthon Shores Key, Vaca Cut, FL See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Marthon Shores Key, Vaca Cut, FL

This Afternoon
High : 89ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
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 : 89ºF
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 10 to 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Wednesday
High : 88ºF
E wind 10 to 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

NOAA Buoy Data Near Marthon Shores Key, Vaca Cut, FL See Map

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    Wind Speed Forecast for Marthon Shores Key, Vaca Cut, FL

    SaturdaySundayMonday
    Wind Speed (MPH) 646534441024
    8pm12am4am8am12pm4pm8pm12am4am8am12pm4pm
    MPH 646534441024
    DIR SEENESSESSSWSSWWNWNNWNENNEENE

    Current Weather Conditions In Marthon Shores Key, Vaca Cut, FL

    As Of: 36 minutes ago

    • 88ºF
    • 102ºF
    • 6mph
    • 0º (SE)
    • 6mph
    • Cloudy
    • 10mi
    • 29.98"
    • 71%
    • 0ºF

    The weather right now in Marthon Shores Key, Vaca Cut, FL is Cloudy. The current temperature is 88°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 6 miles per hour, and coming from the Southeast. The wind is gusting to 6 mph. With the wind and the atmosphere the temperature feels like 102° Fahrenheit. Expected precipitation is 24 percent, with current humidity at 71 percent, and air pressure at 29.98 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Special Marine Warning - 4:10pm Sat Sep 12 2026

    The National Weather Service in Key West has issued a

    * Special Marine Warning for...
    Bayside and Gulf side from Craig Key to west end of Seven Mile
    Bridge...
    Hawk Channel from Craig Key to west end of Seven Mile Bridge out to
    the reef...

    * Until 445 PM EDT.

    * At 410 PM EDT, a strong thunderstorm with possible waterspouts was
    located over John Sawyer Bank Light. The strong thunderstorm was
    nearly stationary.

    HAZARD...Waterspouts and wind gusts 34 knots or greater.

    SOURCE...Radar.

    IMPACT...Waterspouts can quickly form and capsize boats, cause
    considerable damage to vessels and create suddenly higher
    waves. Expect wind gusts in excess of 34 knots, suddenly
    higher waves, frequent lightning, and heavy downpours.

    * Locations in the warning include...
    John Sawyer Bank Light, Pigeon Key, and Vaca Cut Daybeacon 13.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Intense and continuous lightning is occurring with this storm. Stay
    low, or go below. Lower VHF antenna, outriggers, fishing rods, and
    umbrellas.

    &&

    WATERSPOUT...POSSIBLE;
    HAIL...0.00IN;
    WIND...>34KTS

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