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 Keys

Atlantic 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

84.9°F
Partly cloudy
Partly cloudy
95.7°F
97.1°F
83%
E 15 mph
20.2 mph
85.5°F
78.2°F
0 in
75%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 89°F
L: 79°F
Partly Cloudy
Sun
H: 87°F
L: 84°F
Partly Cloudy
Mon
H: 85°F
L: 84°F
Patchy rain nearby
Tue
H: 85°F
L: 84°F
Patchy rain nearby
Wed
H: 85°F
L: 84°F

Air Quality

AQI: 2 - Moderate
PM2.5: 19.5 μg/m3
PM10: 55.4 μg/m3
Carbon Monoxide: 92 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:33 PM
Sunset: 8:20 PM
Daylight: 13 hrs 33 mins
Moonrise: 3:30 AM
Moon Transit: 10:39 AM
Moonset: 5:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:09 AM - 12:39 AM

Minor Periods

5:22 PM - 6:52 PM
3:00 AM - 4:30 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Sunny
89.1°F
78.6°F
84.4°F
77%
0.07 in
57%
0%
19.2 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 11.44 μg/m3
PM10: 31.95 μg/m3
Carbon Monoxide: 96.67 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 55.29 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:33 PM
Sunset: 8:20 PM
Daylight: 13 hrs 33 mins
Moonrise: 3:30 AM
Moon Transit: 10:39 AM
Moonset: 5:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:09 AM - 12:39 AM

Minor Periods

5:22 PM - 6:52 PM
3:00 AM - 4:30 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Partly Cloudy
86.7°F
83.7°F
84.7°F
74%
0 in
8%
0%
17 mph
10.3


Air Quality

AQI: 2 - Moderate
PM2.5: 20.61 μg/m3
PM10: 54.35 μg/m3
Carbon Monoxide: 89.5 μg/m3
Nitrogen Dioxide: 0.58 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:33 PM
Sunset: 8:20 PM
Daylight: 13 hrs 32 mins
Moonrise: 4:32 AM
Moon Transit: 11:45 AM
Moonset: 7:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:15 AM - 1:45 PM

Minor Periods

6:30 PM - 8:00 PM
4:02 AM - 5:32 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Partly Cloudy
84.7°F
83.8°F
84.2°F
73%
0 in
17%
0%
17 mph
10.6


Air Quality

AQI: 2 - Moderate
PM2.5: 25.58 μg/m3
PM10: 56.01 μg/m3
Carbon Monoxide: 89.71 μg/m3
Nitrogen Dioxide: 0.51 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 43.75 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:33 PM
Sunset: 8:20 PM
Daylight: 13 hrs 32 mins
Moonrise: 5:40 AM
Moon Transit: 12:52 AM
Moonset: 8:02 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:56 AM - 3:26 AM
12:22 AM - 2:52 PM

Minor Periods

7:32 PM - 9:02 PM
5:10 AM - 6:40 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Patchy rain nearby
85.3°F
83.8°F
84.4°F
74%
0.01 in
24%
0%
19 mph
10.1


Air Quality

AQI: 2 - Moderate
PM2.5: 26.2 μg/m3
PM10: 69.74 μg/m3
Carbon Monoxide: 91.13 μg/m3
Nitrogen Dioxide: 0.52 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 45.96 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:33 PM
Sunset: 8:19 PM
Daylight: 13 hrs 31 mins
Moonrise: 6:51 AM
Moon Transit: 1:56 PM
Moonset: 8:56 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:02 AM - 4:32 AM
1:26 PM - 3:56 PM

Minor Periods

8:26 PM - 9:56 PM
6:21 AM - 7:51 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Patchy rain nearby
84.7°F
84.2°F
84.5°F
74%
0.03 in
42%
0%
20.6 mph
9.6


Air Quality

AQI: 2 - Moderate
PM2.5: 21.14 μg/m3
PM10: 53.96 μg/m3
Carbon Monoxide: 94.37 μg/m3
Nitrogen Dioxide: 0.62 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 43.79 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:33 PM
Sunset: 8:19 PM
Daylight: 13 hrs 30 mins
Moonrise: 8:02 AM
Moon Transit: 2:54 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
2:24 PM - 4:54 PM

Minor Periods

9:11 PM - 10:41 PM
7:32 AM - 9:02 AM

Action Rating: 3 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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