Water Temperature of the Gulf of Mexico in Key West, FL

Current Water Temperature

76.5°F

Measurement Time: Sunday, February 22, 2026, 3:06 PM EST

Today's Tides

 High: February 22, 1:09 AM, 1.0 ft
Low: February 22, 6:10 AM, 0.1 ft
 High: February 22, 12:47 PM, 1.5 ft
Low: February 22, 7:32 PM, -0.4 ft

Temperature Locations

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Local Points of Interest

Mallory Square; Tank Island; Florida Keys

Gulf of Mexico

Station Name: Key West
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 13 feet

Sensor Depth: -4 feet

Nearest Address:
21 Angela St
Key West, FL 33040
Monroe County

GPS Coordinates: 24.55083, -81.80806

Nearby Water Temperatures

Atlantic Ocean, Key West, FL (14.1 mi)
Gulf of Mexico, Marathon, FL (45.4 mi)
East Side Creek, Flamingo, FL (61.8 mi)
Joe Kemp Channel, Flamingo, FL (66.5 mi)
Florida Bay, Islamorada, FL (68.4 mi)
Shark River, Flamingo, FL (70.9 mi)
Florida Bay, Islamorada, FL (71.3 mi)
Whitewater Bay, Flamingo, FL (72 mi)
Gulf of Mexico, Flamingo, FL (72.6 mi)
Whipray Basin, Islamorada, FL (76.3 mi)
Harney River, Flamingo, FL (76.4 mi)
Florida Bay, Islamorada, FL (78 mi)
Seven Palm Lake, Flamingo, FL (80.5 mi)
Broad River, Flamingo, FL (82.1 mi)
Little Madeira Bay, Homestead, FL (85.4 mi)

Weather for Key West, Florida

Current Weather

82°F
Clear
Clear
89.2°F
89.2°F
80%
SSW 15.9 mph
21.5 mph
82°F
75.1°F
0 in
6%
6 mi
1010 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 85°F
L: 81°F
Patchy rain nearby
Mon
H: 85°F
L: 81°F
Patchy rain nearby
Tue
H: 85°F
L: 81°F
Patchy rain nearby
Wed
H: 84°F
L: 81°F
Patchy rain nearby
Thu
H: 85°F
L: 81°F

Air Quality

AQI: 2 - Moderate
PM2.5: 34.95 μg/m3
PM10: 98.65 μg/m3
Carbon Monoxide: 592.85 μg/m3
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:40 AM
Sunset: 6:26 PM
Daylight: 11 hrs 31 mins
Moonrise: 10:03 AM
Moon Transit: 4:52 PM
Moonset: 11:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
4:22 PM - 6:52 PM

Minor Periods

12:00 AM - 12:00 AM
9:33 AM - 11:03 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Sunny
85.1°F
80.7°F
82.5°F
76%
0 in
0%
0%
17 mph
2


Air Quality

AQI: 2 - Moderate
PM2.5: 37.19 μg/m3
PM10: 110.31 μg/m3
Carbon Monoxide: 469.77 μg/m3
Nitrogen Dioxide: 6.17 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 72.52 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:40 AM
Sunset: 6:26 PM
Daylight: 11 hrs 31 mins
Moonrise: 10:03 AM
Moon Transit: 4:52 PM
Moonset: 11:49 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
4:22 PM - 6:52 PM

Minor Periods

12:00 AM - 12:00 AM
9:33 AM - 11:03 AM

Action Rating: 3 out of 5

Monday, February 23, 2026

Weather Forecast

Patchy rain nearby
84.7°F
80.7°F
82.4°F
76%
0.01 in
80%
0%
16.6 mph
2


Air Quality

AQI: 2 - Moderate
PM2.5: 29.38 μg/m3
PM10: 82.87 μg/m3
Carbon Monoxide: 445.25 μg/m3
Nitrogen Dioxide: 5.89 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 68.72 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:40 AM
Sunset: 6:27 PM
Daylight: 11 hrs 32 mins
Moonrise: 10:47 AM
Moon Transit: 5:48 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

5:58 AM - 8:28 AM
5:18 PM - 7:48 PM

Minor Periods

10:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, February 24, 2026

Weather Forecast

Patchy rain nearby
85.1°F
81°F
82.7°F
75%
0.01 in
87%
0%
16.1 mph
2.3


Air Quality

AQI: 2 - Moderate
PM2.5: 35.83 μg/m3
PM10: 110.01 μg/m3
Carbon Monoxide: 482.69 μg/m3
Nitrogen Dioxide: 6.87 μg/m3
Sulphur Dioxide: 2.1 μg/m3
Ozone: 76.48 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:40 AM
Sunset: 6:27 PM
Daylight: 11 hrs 33 mins
Moonrise: 11:38 AM
Moon Transit: 6:49 PM
Moonset: 12:56 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:56 AM - 9:26 AM
6:19 PM - 8:49 PM

Minor Periods

11:08 AM - 12:38 AM
12:26 AM - 1:56 AM

Action Rating: 4 out of 5

Wednesday, February 25, 2026

Weather Forecast

Patchy rain nearby
84.4°F
80.9°F
82.5°F
74%
0.04 in
87%
0%
15.7 mph
2.3


Air Quality

AQI: 2 - Moderate
PM2.5: 32.19 μg/m3
PM10: 91.23 μg/m3
Carbon Monoxide: 530.42 μg/m3
Nitrogen Dioxide: 7.91 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 75.28 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:40 AM
Sunset: 6:28 PM
Daylight: 11 hrs 35 mins
Moonrise: 12:37 AM
Moon Transit: 7:51 PM
Moonset: 2:03 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
7:21 PM - 9:51 PM

Minor Periods

12:07 AM - 1:37 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Thursday, February 26, 2026

Weather Forecast

Patchy rain nearby
84.8°F
81°F
82.6°F
74%
0.02 in
80%
0%
13.6 mph
2.4


Air Quality

AQI: 2 - Moderate
PM2.5: 29.43 μg/m3
PM10: 74.66 μg/m3
Carbon Monoxide: 342.94 μg/m3
Nitrogen Dioxide: 8.05 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 67.92 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:40 AM
Sunset: 6:28 PM
Daylight: 11 hrs 36 mins
Moonrise: 1:41 PM
Moon Transit: 8:54 PM
Moonset: 3:06 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

9:01 AM - 11:31 AM
8:24 PM - 10:54 PM

Minor Periods

1:11 PM - 2:41 PM
2:36 AM - 4:06 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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