Water Temperature of San Juan Bay in San Juan, PR

Current Water Temperature

86.4°F

Measurement Time: Tuesday, August 5, 2025, 4:06 PM AST

Today's Tides

 Low: August 5, 1:21 AM, 0.77 ft
High: August 5, 4:18 AM, 0.88 ft
 Low: August 5, 11:00 AM, 0.05 ft
High: August 5, 6:55 PM, 1.67 ft

Temperature Locations

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Local Points of Interest

Bahia de San Juan; Old San Juan; Port of San Juan; Caribbean Sea

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San Juan Bay

Station Name: San Juan, La Puntilla, San Juan Bay
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 3 feet / 1 meters

Sensor Depth: -3.7 feet / -1.1 meters

Nearest Address:
La Puntilla
San Juan, PR 00901
San Juan County

GPS Coordinates: 18.459167, -66.116389

Nearby Water Temperatures

Atlantic Ocean, San Juan, PR (1.5 mi)
Unnamed Creek, Fort Buchanan, PR (2.7 mi)
Las Casas Lake, Fort Buchanan, PR (3.1 mi)
Unnamed Creek, Fort Buchanan, PR (3.6 mi)
Atlantic Ocean, Vieques, PR (44.9 mi)
Caribbean Sea, Esperanza, PR (49.3 mi)
Bahía de Sardinas, Culebra, PR (54.5 mi)
Bahía de Aguadilla, Aguadilla, PR (68.7 mi)
Caribbean Sea, La Parguera, PR (69.8 mi)
Bahía de Mayagüez, Mayagüez, PR (70.6 mi)
Long Bay, Charlotte Amalie (St. Thomas), VI (78.9 mi)
Caribbean Sea, St. John, VI (89.9 mi)
Lameshur Bay, Coral Harbour (St. John), VI (91.8 mi)
Limetree Bay, St. Croix, VI (103.9 mi)
Christiansted Harbor, Christiansted (St. Croix), VI (105.3 mi)

Weather for San Juan, Puerto Rico

Current Weather

88.3°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 66%
Feels Like: 107.1°F
Wind: ENE 14.1 mph
Wind Gusts: 16.2 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 3.8

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 85°F
L: 80°F
Sunny
Wed
H: 89°F
L: 79°F
Cloudy
Thu
H: 85°F
L: 80°F
Cloudy
Fri
H: 86°F
L: 80°F
Moderate rain
Sat
H: 88°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 192.4 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 37 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

Tuesday, August 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.1°F
Average Humidity: 83%
Chance of Rain: 71%
Wind: 15 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 11.13 μg/m3
PM10: 26.63 μg/m3
Carbon Monoxide: 194.47 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 35.32 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: Sunny
Average Temperature: 83.2°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 16.6 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 5.78 μg/m3
PM10: 9.73 μg/m3
Carbon Monoxide: 194.03 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 34.56 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: Cloudy
Average Temperature: 81.7°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 16.8 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 6.63 μg/m3
PM10: 11.93 μg/m3
Carbon Monoxide: 197.95 μg/m3
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 38.64 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

Friday, August 8, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 82.1°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 16.6 mph
UV Index: 2.9

Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 12.39 μg/m3
Carbon Monoxide: 202.09 μg/m3
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 43.4 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:30 AM
Sunset: 6:56 PM
Daylight: 12 hrs 51 mins
Moonrise: 6:44 PM
Moon Transit: 12:00 AM
Moonset: 5:13 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:48 PM - 5:18 PM

Minor Periods

6:14 PM - 7:44 PM
4:43 AM - 6:13 AM

Action Rating: 4 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 82.1°F
Average Humidity: 74%
Chance of Rain: 89%
Wind: 17.2 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 6.3 μg/m3
PM10: 9.75 μg/m3
Carbon Monoxide: 201.51 μg/m3
Nitrogen Dioxide: 1.42 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 42.23 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:29 AM
Sunset: 6:55 PM
Daylight: 12 hrs 50 mins
Moonrise: 7:25 PM
Moon Transit: 12:26 AM
Moonset: 6:13 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:38 PM - 6:08 PM

Minor Periods

6:55 PM - 8:25 PM
5:43 AM - 7:13 AM

Action Rating: 5 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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