Water Temperature of the Atlantic Ocean in San Juan, PR

Current Water Temperature

84.4°F

Measurement Time: Sunday, August 3, 2025, 7:00 PM AST

Temperature Locations

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Local Points of Interest

Balneario del Escambrón; Peñon de San Jorge

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Atlantic Ocean

Station Name: San Juan, PR
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
PR-25R
San Juan, PR 00901
San Juan County

GPS Coordinates: 18.474, -66.099

Nearby Water Temperatures

San Juan Bay, San Juan, PR (1.5 mi)
Unnamed Creek, Fort Buchanan, PR (3.9 mi)
Las Casas Lake, Fort Buchanan, PR (4.4 mi)
Unnamed Creek, Fort Buchanan, PR (4.8 mi)
Atlantic Ocean, Vieques, PR (44.2 mi)
Caribbean Sea, Esperanza, PR (48.8 mi)
Bahía de Sardinas, Culebra, PR (53.6 mi)
Bahía de Aguadilla, Aguadilla, PR (69.8 mi)
Caribbean Sea, La Parguera, PR (71.3 mi)
Bahía de Mayagüez, Mayagüez, PR (71.9 mi)
Long Bay, Charlotte Amalie (St. Thomas), VI (77.9 mi)
Caribbean Sea, St. John, VI (89.0 mi)
Lameshur Bay, Coral Harbour (St. John), VI (90.8 mi)
Limetree Bay, St. Croix, VI (103.5 mi)
Christiansted Harbor, Christiansted (St. Croix), VI (104.8 mi)

Weather for San Juan, Puerto Rico

Current Weather

82.9°F
Cloudy
Conditions: Cloudy
Humidity: 84%
Feels Like: 96.2°F
Wind: ESE 8.7 mph
Wind Gusts: 13.3 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 87°F
L: 81°F
Partly Cloudy
Mon
H: 91°F
L: 80°F
Partly Cloudy
Tue
H: 89°F
L: 80°F
Patchy rain nearby
Wed
H: 87°F
L: 79°F
Patchy rain nearby
Thu
H: 86°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 9.44 μg/m3
PM10: 22.76 μg/m3
Carbon Monoxide: 201.65 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 32 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:30 AM
Sunset: 6:58 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:26 PM
Moon Transit: 7:58 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

10:21 AM - 12:51 AM
7:28 PM - 9:58 PM

Minor Periods

1:56 PM - 3:26 PM
12:14 AM - 1:44 AM

Action Rating: 3 out of 5

Sunday, August 3, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 83.1°F
Average Humidity: 86%
Chance of Rain: 84%
Wind: 16.8 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 14.09 μg/m3
Carbon Monoxide: 194.32 μg/m3
Nitrogen Dioxide: 1.12 μg/m3
Sulphur Dioxide: 3 μg/m3
Ozone: 38.08 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:30 AM
Sunset: 6:58 PM
Daylight: 12 hrs 55 mins
Moonrise: 2:26 PM
Moon Transit: 7:58 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

10:21 AM - 12:51 AM
7:28 PM - 9:58 PM

Minor Periods

1:56 PM - 3:26 PM
12:14 AM - 1:44 AM

Action Rating: 3 out of 5

Monday, August 4, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 83.7°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 16.8 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 15.5 μg/m3
PM10: 48.58 μg/m3
Carbon Monoxide: 202.98 μg/m3
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 35.92 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:30 AM
Sunset: 6:58 PM
Daylight: 12 hrs 54 mins
Moonrise: 3:21 PM
Moon Transit: 8:51 PM
Moonset: 1:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
8:21 PM - 10:51 PM

Minor Periods

2:51 PM - 4:21 PM
1:00 AM - 2:30 AM

Action Rating: 2 out of 5

Tuesday, August 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 83°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 16.1 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 12.64 μg/m3
PM10: 28.65 μg/m3
Carbon Monoxide: 205.28 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 34.24 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:30 AM
Sunset: 6:57 PM
Daylight: 12 hrs 54 mins
Moonrise: 4:16 PM
Moon Transit: 9:45 PM
Moonset: 2:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 PM
9:15 PM - 11:45 PM

Minor Periods

3:46 PM - 5:16 PM
1:51 AM - 3:21 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.7°F
Average Humidity: 78%
Chance of Rain: 78%
Wind: 15.9 mph
UV Index: 6

Air Quality

AQI: 1 - Good
PM2.5: 6.44 μg/m3
PM10: 10.98 μg/m3
Carbon Monoxide: 201.43 μg/m3
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 36.04 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:30 AM
Sunset: 6:57 PM
Daylight: 12 hrs 53 mins
Moonrise: 5:08 PM
Moon Transit: 10:40 PM
Moonset: 3:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:01 PM - 3:31 PM
12:00 AM - 12:00 AM

Minor Periods

4:38 PM - 6:08 PM
2:46 AM - 4:16 AM

Action Rating: 2 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 81.1°F
Average Humidity: 75%
Chance of Rain: 88%
Wind: 16.1 mph
UV Index: 6

Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 14.36 μg/m3
Carbon Monoxide: 204.35 μg/m3
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 34.77 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:30 AM
Sunset: 6:56 PM
Daylight: 12 hrs 52 mins
Moonrise: 5:58 PM
Moon Transit: 11:34 PM
Moonset: 4:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:55 PM - 4:25 PM
12:00 AM - 12:00 AM

Minor Periods

5:28 PM - 6:58 PM
3:44 AM - 5:14 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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