Water Temperature of the Atlantic Ocean in Key West, FL
Current Water Temperature
83.8°F
Measurement Time: Monday, June 8, 2026, 11:30 AM EDT
Temperature Locations
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Local Points of Interest
Satan Shoal; Florida Keys National Marine Sactuary; Key West National Wildlife Refuge; Florida KeysAtlantic Ocean
Station Name: Satan Shoal, FL (244)
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 0 feet
Nearest Address:
Satan Shoal
Key West, FL 33040
Monroe County
GPS Coordinates: 24.407, -81.967
Nearby Water Temperatures
Gulf of Mexico, Key West, FL (14.1 mi)Gulf of Mexico, Marathon, FL (58 mi)
East Side Creek, Flamingo, FL (75.8 mi)
Joe Kemp Channel, Flamingo, FL (80.4 mi)
Florida Bay, Islamorada, FL (81.9 mi)
Florida Bay, Islamorada, FL (84.3 mi)
Shark River, Flamingo, FL (84.9 mi)
Whitewater Bay, Flamingo, FL (86.1 mi)
Gulf of Mexico, Flamingo, FL (86.4 mi)
Whipray Basin, Islamorada, FL (89.9 mi)
Harney River, Flamingo, FL (90.4 mi)
Florida Bay, Islamorada, FL (91.4 mi)
Seven Palm Lake, Flamingo, FL (94.3 mi)
Broad River, Flamingo, FL (96.1 mi)
Little Madeira Bay, Homestead, FL (99.1 mi)
Weather for Key West, Florida
Current Weather
87.1°F

Partly Cloudy
101.1°F
95.7°F
70%
NW 2.2 mph
2.5 mph
85°F
77.2°F
0 in
0%
9 mi
1017 mbar
0
Five Day Weather Forecast

Sun
H: 89°F
L: 79°F

Mon
H: 85°F
L: 82°F

Tue
H: 85°F
L: 84°F

Wed
H: 85°F
L: 83°F

Thu
H: 84°F
L: 83°F
Air Quality
AQI:
2 - Moderate
PM2.5:
9.9 μg/m3
PM10:
15.1 μg/m3
Carbon Monoxide: 95 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 66 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 66 μg/m3
Astronomical
Sunrise: 6:40 AM
Sun Transit: 1:29 PM
Sunset: 8:19 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:29 PM
Sunset: 8:19 PM
Daylight: 13 hrs 39 mins
Moonrise: 1:20 PM
Moon Transit: 7:28 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Moon Transit: 7:28 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
7:42 AM - 10:12 AM6:58 PM - 9:28 PM
Minor Periods
12:50 AM - 2:20 PM12:29 AM - 1:59 AM
Action Rating: 2 out of 5
Sunday, June 21, 2026
Weather Forecast
Heavy rain
88.7°F
78.6°F
84.7°F
78%
0.97 in
73%
0%
10.5 mph
12
Air Quality
AQI:
1 - Good
PM2.5:
10 μg/m3
PM10:
16.02 μg/m3
Carbon Monoxide: 94.08 μg/m3
Nitrogen Dioxide: 0.78 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 56.63 μg/m3
Nitrogen Dioxide: 0.78 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 56.63 μg/m3
Astronomical
Sunrise: 6:40 AM
Sun Transit: 1:29 PM
Sunset: 8:19 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:29 PM
Sunset: 8:19 PM
Daylight: 13 hrs 39 mins
Moonrise: 1:20 PM
Moon Transit: 7:28 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Moon Transit: 7:28 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
7:42 AM - 10:12 AM6:58 PM - 9:28 PM
Minor Periods
12:50 AM - 2:20 PM12:29 AM - 1:59 AM
Action Rating: 2 out of 5
Monday, June 22, 2026
Weather Forecast
Patchy rain nearby
84.9°F
81.9°F
84.3°F
74%
0 in
12%
0%
14.5 mph
11.6
Air Quality
AQI:
1 - Good
PM2.5:
9.75 μg/m3
PM10:
17.28 μg/m3
Carbon Monoxide: 99.88 μg/m3
Nitrogen Dioxide: 0.76 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 63 μg/m3
Nitrogen Dioxide: 0.76 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 63 μg/m3
Astronomical
Sunrise: 6:41 AM
Sun Transit: 1:29 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:29 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Moonrise: 2:15 PM
Moon Transit: 8:10 PM
Moonset: 1:30 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Moon Transit: 8:10 PM
Moonset: 1:30 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
8:25 AM - 10:55 AM7:40 PM - 10:10 PM
Minor Periods
1:45 PM - 3:15 PM1:00 AM - 2:30 AM
Action Rating: 2 out of 5
Tuesday, June 23, 2026
Weather Forecast
Partly Cloudy
84.9°F
83.7°F
84.4°F
69%
0 in
7%
0%
15.2 mph
11.2
Air Quality
AQI:
2 - Moderate
PM2.5:
18.66 μg/m3
PM10:
39.52 μg/m3
Carbon Monoxide: 95.96 μg/m3
Nitrogen Dioxide: 0.61 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 47.46 μg/m3
Nitrogen Dioxide: 0.61 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 47.46 μg/m3
Astronomical
Sunrise: 6:41 AM
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Moonrise: 3:08 PM
Moon Transit: 8:53 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Moon Transit: 8:53 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
9:07 AM - 11:37 AM8:23 PM - 10:53 PM
Minor Periods
2:38 PM - 4:08 PM1:31 AM - 3:01 AM
Action Rating: 3 out of 5
Wednesday, June 24, 2026
Weather Forecast
Patchy rain nearby
84.7°F
83.4°F
84.1°F
71%
0.01 in
19%
0%
11.4 mph
9.7
Air Quality
AQI:
2 - Moderate
PM2.5:
18.66 μg/m3
PM10:
33.61 μg/m3
Carbon Monoxide: 95.38 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 54.71 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 54.71 μg/m3
Astronomical
Sunrise: 6:41 AM
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Moonrise: 4:02 PM
Moon Transit: 9:37 PM
Moonset: 2:34 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%
Moon Transit: 9:37 PM
Moonset: 2:34 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%
Best Times for Fishing or Hunting
Major Periods
9:51 AM - 12:21 AM9:07 PM - 11:37 PM
Minor Periods
3:32 PM - 5:02 PM2:04 AM - 3:34 AM
Action Rating: 2 out of 5
Thursday, June 25, 2026
Weather Forecast
Patchy rain nearby
84.4°F
83.4°F
84.1°F
70%
0.04 in
42%
0%
15.7 mph
0.6
Air Quality
AQI:
2 - Moderate
PM2.5:
18.1 μg/m3
PM10:
34.43 μg/m3
Carbon Monoxide: 95.56 μg/m3
Nitrogen Dioxide: 1.13 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 52.11 μg/m3
Nitrogen Dioxide: 1.13 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 52.11 μg/m3
Astronomical
Sunrise: 6:41 AM
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Moonrise: 4:56 PM
Moon Transit: 10:23 PM
Moonset: 3:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%
Moon Transit: 10:23 PM
Moonset: 3:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%
Best Times for Fishing or Hunting
Major Periods
10:36 AM - 1:06 PM12:00 AM - 12:00 AM
Minor Periods
4:26 PM - 5:56 PM2:38 AM - 4:08 AM
Action Rating: 2 out of 5
The times presented here are based upon the solunar theory, which is the idea that the movements of
fish and other animals are affected by the location of the sun and moon. The major periods are
believed to be the times of the greatest animal activity and occur when the moon is directly
overhead or underfoot (lunar transits). The minor periods also see increased activity and
occur when the moon is rising or setting. The strongest activity occurs during full or new moons,
and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.
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