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

87.1°F
Partly Cloudy
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

Heavy rain
Sun
H: 89°F
L: 79°F
Patchy rain nearby
Mon
H: 85°F
L: 82°F
Partly Cloudy
Tue
H: 85°F
L: 84°F
Patchy rain nearby
Wed
H: 85°F
L: 83°F
Patchy rain nearby
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

Astronomical

Sunrise: 6:40 AM
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%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
6:58 PM - 9:28 PM

Minor Periods

12:50 AM - 2:20 PM
12:29 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

Astronomical

Sunrise: 6:40 AM
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%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
6:58 PM - 9:28 PM

Minor Periods

12:50 AM - 2:20 PM
12:29 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

Astronomical

Sunrise: 6:41 AM
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%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
7:40 PM - 10:10 PM

Minor Periods

1:45 PM - 3:15 PM
1:00 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

Astronomical

Sunrise: 6:41 AM
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%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
8:23 PM - 10:53 PM

Minor Periods

2:38 PM - 4:08 PM
1:31 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

Astronomical

Sunrise: 6:41 AM
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%

Best Times for Fishing or Hunting

Major Periods

9:51 AM - 12:21 AM
9:07 PM - 11:37 PM

Minor Periods

3:32 PM - 5:02 PM
2:04 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

Astronomical

Sunrise: 6:41 AM
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%

Best Times for Fishing or Hunting

Major Periods

10:36 AM - 1:06 PM
12:00 AM - 12:00 AM

Minor Periods

4:26 PM - 5:56 PM
2:38 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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