Water Temperature of San Juan Bay in San Juan, PR

Current Water Temperature

82.6°F

Measurement Time: Tuesday, December 23, 2025, 7:18 PM AST

Today's Tides

Low: December 23, 4:11 AM, -0.05 ft
 High: December 23, 11:39 AM, 1.61 ft
Low: December 23, 6:34 PM, 0.47 ft
 High: December 23, 10:47 PM, 0.76 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

81°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 70%
Feels Like: 87.6°F
Wind: NE 14.1 mph
Wind Gusts: 22.5 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 85°F
L: 76°F
Moderate rain
Wed
H: 81°F
L: 77°F
Moderate rain
Thu
H: 79°F
L: 74°F
Patchy rain nearby
Fri
H: 80°F
L: 74°F
Patchy rain nearby
Sat
H: 80°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 4.85 μg/m3
PM10: 7.35 μg/m3
Carbon Monoxide: 97.85 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:23 AM
Sunset: 5:54 PM
Daylight: 11 hrs 1 mins
Moonrise: 9:41 AM
Moon Transit: 3:23 PM
Moonset: 9:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
2:53 PM - 5:23 PM

Minor Periods

8:40 PM - 10:10 PM
9:11 AM - 10:41 AM

Action Rating: 2 out of 5

Rip Current Statement issued December 23 at 9:15AM AST until December 26 at 6:00AM AST by NWS San Juan PR

Effective: Tue December 23, 2025, 9:15 AM
Expires: Tue December 23, 2025, 5:15 PM

* WHAT...High Risk of Life-Threatening Rip Currents. * WHERE...Beaches from northwestern to northeastern Puerto Rico. * WHEN...From Tuesday evening through late Thursday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety.

There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as groins, jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. If you become caught in a rip current, yell for help. Remain calm, do not exhaust yourself and stay afloat while waiting for help. If you have to swim out of a rip current, swim parallel to shore and back toward the beach when possible. Do not attempt to swim directly against a rip current as you will tire quickly.
Tuesday, December 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 78.5°F
Average Humidity: 80%
Chance of Rain: 89%
Wind: 16.1 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 5.01 μg/m3
PM10: 7.43 μg/m3
Carbon Monoxide: 97.53 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 59.12 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:23 AM
Sunset: 5:54 PM
Daylight: 11 hrs 1 mins
Moonrise: 9:41 AM
Moon Transit: 3:23 PM
Moonset: 9:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
2:53 PM - 5:23 PM

Minor Periods

8:40 PM - 10:10 PM
9:11 AM - 10:41 AM

Action Rating: 2 out of 5

Wednesday, December 24, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 78.7°F
Average Humidity: 81%
Chance of Rain: 79%
Wind: 15.9 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 100.69 μg/m3
Nitrogen Dioxide: 1.47 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 63.48 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:24 AM
Sunset: 5:55 PM
Daylight: 11 hrs 1 mins
Moonrise: 10:20 AM
Moon Transit: 4:09 PM
Moonset: 10:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
3:39 PM - 6:09 PM

Minor Periods

9:34 PM - 11:04 PM
9:50 AM - 11:20 AM

Action Rating: 4 out of 5

Thursday, December 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 77.6°F
Average Humidity: 75%
Chance of Rain: 82%
Wind: 15.9 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 6.51 μg/m3
PM10: 9.94 μg/m3
Carbon Monoxide: 116.93 μg/m3
Nitrogen Dioxide: 1.66 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 74.24 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:24 AM
Sunset: 5:56 PM
Daylight: 11 hrs 1 mins
Moonrise: 10:57 AM
Moon Transit: 4:54 PM
Moonset: 10:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

7:19 AM - 9:49 AM
4:24 PM - 6:54 PM

Minor Periods

10:27 PM - 11:57 PM
10:27 AM - 11:57 AM

Action Rating: 3 out of 5

Friday, December 26, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 76°F
Average Humidity: 64%
Chance of Rain: 81%
Wind: 12.8 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 6.34 μg/m3
PM10: 9.45 μg/m3
Carbon Monoxide: 115.98 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 79.88 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:25 AM
Sunset: 5:56 PM
Daylight: 11 hrs 2 mins
Moonrise: 11:32 AM
Moon Transit: 5:38 PM
Moonset: 11:50 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
5:08 PM - 7:38 PM

Minor Periods

12:00 AM - 12:00 AM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.9°F
Average Humidity: 73%
Chance of Rain: 89%
Wind: 13.4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 7.61 μg/m3
Carbon Monoxide: 119.57 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 74.62 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:25 AM
Sunset: 5:57 PM
Daylight: 11 hrs 2 mins
Moonrise: 12:08 AM
Moon Transit: 5:23 AM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

4:53 AM - 7:23 AM
4:53 AM - 7:23 AM

Minor Periods

11:38 AM - 1:08 PM
12:00 AM - 12:00 AM

Action Rating: 4 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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