Water Temperature of the Gulf of Mexico in Marathon, FL

Current Water Temperature

82.9°F

Measurement Time: Thursday, June 5, 2025, 1:12 AM EDT

Today's Tides

 Low: June 5, 2:23 AM, 0.30 ft
High: June 5, 9:15 AM, 0.69 ft
 Low: June 5, 4:49 PM, 0.12 ft

Temperature Locations

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Local Points of Interest

Marathon Key; Vaca Key; Boot Key; Florida Keys

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Gulf of Mexico

Station Name: Vaca Key, Florida Bay
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 20 feet / 6 meters

Sensor Depth: -3.4 feet / -1.0 meters

Nearest Address:
Palm Island Ave
Marathon, FL 33050
Monroe County

GPS Coordinates: 24.711000, -81.106500

Nearby Water Temperatures

Florida Bay, Islamorada, FL (25.7 mi)
Florida Bay, Islamorada, FL (26.7 mi)
Joe Kemp Channel, Flamingo, FL (29.2 mi)
East Side Creek, Flamingo, FL (29.5 mi)
Gulf of Mexico, Flamingo, FL (33.0 mi)
Whipray Basin, Islamorada, FL (34.1 mi)
Florida Bay, Islamorada, FL (34.5 mi)
Whitewater Bay, Flamingo, FL (37.5 mi)
Seven Palm Lake, Flamingo, FL (40.0 mi)
Little Madeira Bay, Homestead, FL (43.7 mi)
Taylor River, Homestead, FL (44.2 mi)
Shark River, Flamingo, FL (44.3 mi)
Florida Bay, Key Largo, FL (45.1 mi)
Taylor River, Homestead, FL (45.2 mi)
Gulf of Mexico, Key West, FL (45.4 mi)

Weather for Marathon, Florida

Current Weather

82°F
Overcast
Conditions: Overcast
Humidity: 82%
Feels Like: 93.8°F
Wind: ESE 20.6 mph
Wind Gusts: 27.6 mph
Pressure: 30.05 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Thu
H: 83°F
L: 82°F
Partly Cloudy
Fri
H: 83°F
L: 82°F
Partly Cloudy
Sat
H: 85°F
L: 81°F
Partly Cloudy
Sun
H: 83°F
L: 81°F
Patchy rain nearby
Mon
H: 83°F
L: 82°F

Air Quality

PM2.5: 34.41 μg/m3
PM10: 74.93 μg/m3
Carbon Monoxide: 197.95 μg/m3
Nitrogen Dioxide: 0.93 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 41 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:23 PM
Sunset: 8:12 PM
Daylight: 13 hrs 37 mins
Moonrise: 3:32 PM
Moon Transit: 9:27 PM
Moonset: 2:49 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

9:50 AM - 12:20 AM
8:57 PM - 11:27 PM

Minor Periods

3:02 PM - 4:32 PM
2:19 AM - 3:49 AM

Action Rating: 2 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 82.4°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 22.4 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 31.24 μg/m3
PM10: 70.94 μg/m3
Carbon Monoxide: 196.17 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 45.32 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:23 PM
Sunset: 8:12 PM
Daylight: 13 hrs 37 mins
Moonrise: 3:32 PM
Moon Transit: 9:27 PM
Moonset: 2:49 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

9:50 AM - 12:20 AM
8:57 PM - 11:27 PM

Minor Periods

3:02 PM - 4:32 PM
2:19 AM - 3:49 AM

Action Rating: 2 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 82.1°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 20.1 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 13.45 μg/m3
PM10: 28.77 μg/m3
Carbon Monoxide: 195.88 μg/m3
Nitrogen Dioxide: 0.79 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 48.32 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:23 PM
Sunset: 8:12 PM
Daylight: 13 hrs 37 mins
Moonrise: 4:24 PM
Moon Transit: 10:08 PM
Moonset: 3:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
12:00 AM - 12:00 AM

Minor Periods

3:54 PM - 5:24 PM
2:47 AM - 4:17 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 81.9°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 17.7 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 15.41 μg/m3
PM10: 36.67 μg/m3
Carbon Monoxide: 200.61 μg/m3
Nitrogen Dioxide: 0.84 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 45.92 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:23 PM
Sunset: 8:12 PM
Daylight: 13 hrs 37 mins
Moonrise: 5:16 PM
Moon Transit: 10:50 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

4:46 PM - 6:16 PM
3:18 AM - 4:48 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 81.8°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 12.22 μg/m3
PM10: 25.49 μg/m3
Carbon Monoxide: 192.4 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 42.15 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:23 PM
Sunset: 8:13 PM
Daylight: 13 hrs 38 mins
Moonrise: 6:10 PM
Moon Transit: 11:36 PM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

11:56 AM - 2:26 PM
12:00 AM - 12:00 AM

Minor Periods

5:40 PM - 7:10 PM
3:52 AM - 5:22 AM

Action Rating: 2 out of 5

Monday, June 9, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.1°F
Average Humidity: 78%
Chance of Rain: 88%
Wind: 18.6 mph
UV Index: 0.1

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:23 PM
Sunset: 8:13 PM
Daylight: 13 hrs 38 mins
Moonrise: 7:06 PM
Moon Transit: 12:00 AM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:44 AM - 3:14 PM

Minor Periods

6:36 PM - 8:06 PM
4:29 AM - 5:59 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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