24.7183’ N, 81.3517’ W

Porpoise Key, Big Spanish Channel, FL

89°
H -°
L 83°
WSW
3mph
High tide
6:03 pm

Porpoise Key, Big Spanish Channel, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Sep 2
Partly Cloudy
Close Hourly
-º / 83º 13% SW 5 mph 75%
6pm Partly Cloudy 89º 3% WSW 3 mph 66%
7pm Partly Cloudy 88º 3% W 3 mph 68%
8pm Partly Cloudy 86º 3% W 3 mph 73%
9pm Mostly Cloudy 85º 2% WNW 2 mph 76%
10pm Mostly Cloudy 84º 3% WSW 1 mph 77%
11pm Partly Cloudy 84º 4% SW 1 mph 77%
Thu
Sep 3
Partly Cloudy
View Hourly
91º / 83º 23% SSW 8 mph 68%
12am Mostly Cloudy 84º 8% SSW 1 mph 77%
1am Partly Cloudy 84º 10% SSW 2 mph 77%
2am Mostly Cloudy 84º 12% SSW 3 mph 78%
3am Mostly Cloudy 84º 11% SSW 3 mph 77%
4am Mostly Cloudy 84º 8% S 4 mph 77%
5am Mostly Cloudy 84º 10% SSW 4 mph 77%
6am Mostly Cloudy 84º 14% SSW 4 mph 78%
7am Mostly Cloudy 84º 24% SSW 5 mph 77%
8am Mostly Cloudy 85º 24% SSW 5 mph 75%
9am Partly Cloudy 87º 20% SSW 6 mph 71%
10am Partly Cloudy 87º 23% SSW 6 mph 70%
11am Partly Cloudy 88º 4% SSW 8 mph 67%
12pm Partly Cloudy 90º 4% SSW 7 mph 64%
1pm Partly Cloudy 90º 4% SSW 7 mph 63%
2pm Partly Cloudy 90º 13% SSW 7 mph 63%
3pm Partly Cloudy 89º 16% SW 7 mph 65%
4pm Partly Cloudy 89º 9% SSW 5 mph 64%
5pm Partly Cloudy 89º 4% S 4 mph 65%
6pm Partly Cloudy 88º 3% S 3 mph 66%
7pm Partly Cloudy 88º 3% S 3 mph 66%
8pm Partly Cloudy 87º 3% SSE 3 mph 68%
9pm Partly Cloudy 86º 3% SSE 3 mph 71%
10pm Partly Cloudy 86º 6% SE 4 mph 72%
11pm Partly Cloudy 85º 4% SE 5 mph 73%
Fri
Sep 4
Partly Cloudy
View Hourly
88º / 82º 24% SE 7 mph 71%
12am Partly Cloudy 85º 9% SE 5 mph 74%
1am Partly Cloudy 85º 14% SSE 6 mph 75%
2am Partly Cloudy 85º 9% SSE 6 mph 76%
3am Partly Cloudy 85º 11% SSE 6 mph 76%
4am Mostly Cloudy 85º 11% SSE 6 mph 76%
5am Mostly Cloudy 84º 10% SSE 6 mph 76%
6am Partly Cloudy 84º 13% SSE 4 mph 77%
7am Partly Cloudy 84º 11% SSE 5 mph 77%
8am Partly Cloudy 85º 24% SSE 5 mph 76%
9am Mostly Cloudy 86º 20% SE 5 mph 72%
10am Partly Cloudy 87º 21% SSE 7 mph 70%
11am Partly Cloudy 88º 19% SE 7 mph 69%
12pm Partly Cloudy 88º 22% SE 7 mph 69%
1pm Partly Cloudy 88º 16% SE 6 mph 68%
2pm Mostly Cloudy 88º 24% SE 6 mph 69%
3pm Mostly Cloudy 88º 24% SE 6 mph 70%
4pm Mostly Cloudy 88º 17% ESE 7 mph 70%
5pm Mostly Cloudy 88º 9% ESE 6 mph 69%
Sat
Sep 5
AM Showers 88º / 82º 45% SE 7 mph 72%
Sun
Sep 6
AM Showers 87º / 82º 45% S 4 mph 73%
Mon
Sep 7
Showers 88º / 83º 47% SSW 5 mph 72%
Tue
Sep 8
AM Showers 89º / 83º 34% SSE 6 mph 71%
Wed
Sep 9
AM Thunderstorms 89º / 83º 38% E 9 mph 71%

Weather Radar for Porpoise Key, Big Spanish Channel, FL See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Porpoise Key, Big Spanish Channel, FL

This Afternoon
High : 90ºF
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.
Thursday
High : 91ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
Low : 84ºF
SE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday
High : 91ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
Low : 83ºF
ESE wind 5 to 10 kt. Showers and thunderstorms likely. Seas 1 ft or less.
Saturday
High : 90ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
Low : 81ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
High : 92ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.

NOAA Buoy Data Near Porpoise Key, Big Spanish Channel, FL See Map

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    Wind Speed Forecast for Porpoise Key, Big Spanish Channel, FL

    WednesdayThursdayFriday
    Wind Speed (MPH) 313467346476
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 313467346476
    DIR WSWWSWSSWSSWSSWSSWSSESSESSESSESE

    Current Weather Conditions In Porpoise Key, Big Spanish Channel, FL

    As Of: 12 minutes ago

    • 89ºF
    • 100ºF
    • 3mph
    • 0º (WSW)
    • 3mph
    • Partly Cloudy
    • 10mi
    • 29.92"
    • 66%
    • 0ºF

    The weather right now in Porpoise Key, Big Spanish Channel, FL is Partly Cloudy. The current temperature is 89°F, and the expected high and low for today, Wednesday, September 2, 2026, are -° high temperature and 83°F low temperature. The wind is currently blowing at 3 miles per hour, and coming from the West Southwest. The wind is gusting to 3 mph. With the wind and the atmosphere the temperature feels like 100° Fahrenheit. Expected precipitation is 3 percent, with current humidity at 66 percent, and air pressure at 29.92 in. Visibility is 10 nautical miles. There are no current weather alert(s).