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

Current Water Temperature

66.6°F

Measurement Time: Wednesday, February 25, 2026, 4:54 AM EST

Today's Tides

 High: February 25, 5:33 AM, 0.5 ft
Low: February 25, 8:33 AM, 0.3 ft
 High: February 25, 3:55 PM, 1.5 ft
Low: February 25, 11:30 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

55°F
Clear
Clear
52.1°F
59.5°F
66%
ESE 10.7 mph
14 mph
59.4°F
46.3°F
0 in
0%
9 mi
1021 mbar
0

Five Day Weather Forecast

Partly Cloudy
Wed
H: 69°F
L: 57°F
Patchy rain nearby
Thu
H: 77°F
L: 69°F
Patchy rain nearby
Fri
H: 75°F
L: 72°F
Patchy rain nearby
Sat
H: 75°F
L: 72°F
Patchy rain nearby
Sun
H: 74°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 148.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 112 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

Wednesday, February 25, 2026

Weather Forecast

Partly Cloudy
69.4°F
57.4°F
64°F
65%
0 in
0%
0%
15.9 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 8.32 μg/m3
Carbon Monoxide: 161.41 μg/m3
Nitrogen Dioxide: 1.41 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 115 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
76.8°F
68.9°F
73.1°F
83%
0.01 in
65%
0%
17.7 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 7.96 μg/m3
PM10: 11.42 μg/m3
Carbon Monoxide: 139.57 μg/m3
Nitrogen Dioxide: 1.27 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 99.84 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

Friday, February 27, 2026

Weather Forecast

Patchy rain nearby
74.7°F
72°F
73.5°F
92%
0.15 in
83%
0%
13.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 7.14 μg/m3
PM10: 10.47 μg/m3
Carbon Monoxide: 124.21 μg/m3
Nitrogen Dioxide: 1.61 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:39 AM
Sunset: 6:29 PM
Daylight: 11 hrs 37 mins
Moonrise: 2:48 PM
Moon Transit: 9:53 PM
Moonset: 4:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 AM
9:23 PM - 11:53 PM

Minor Periods

2:18 PM - 3:48 PM
3:34 AM - 5:04 AM

Action Rating: 2 out of 5

Saturday, February 28, 2026

Weather Forecast

Patchy rain nearby
74.8°F
71.8°F
73.8°F
91%
0.02 in
86%
0%
12.3 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 8.84 μg/m3
PM10: 12.37 μg/m3
Carbon Monoxide: 113.99 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 70.4 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:39 AM
Sunset: 6:30 PM
Daylight: 11 hrs 39 mins
Moonrise: 3:54 PM
Moon Transit: 10:49 PM
Moonset: 4:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

11:00 AM - 1:30 PM
12:00 AM - 12:00 AM

Minor Periods

3:24 PM - 4:54 PM
4:24 AM - 5:54 AM

Action Rating: 2 out of 5

Sunday, March 1, 2026

Weather Forecast

Patchy rain nearby
74.2°F
71.9°F
72.8°F
90%
0.01 in
63%
0%
12.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.22 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 115.95 μg/m3
Nitrogen Dioxide: 2.01 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 77.15 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:39 AM
Sunset: 6:30 PM
Daylight: 11 hrs 40 mins
Moonrise: 4:58 PM
Moon Transit: 11:40 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

11:53 AM - 2:23 PM
12:00 AM - 12:00 AM

Minor Periods

4:28 PM - 5:58 PM
5:08 AM - 6:38 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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