Water Temperature of San Juan Bay in San Juan, PR

Current Water Temperature

86.9°F 30.5°C
Warm Warm & Relaxing
86.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Water feels warm and inviting. Safe for extended immersion with virtually no thermal fatigue.

Measurement Time: Monday, November 9, 2026, 3:54 PM AST

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

Sensor Depth: -4 feet

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

83.7°F
Patchy light rain
Conditions: Patchy light rain
Humidity: 76%
Feels Like: 91.9°F
Wind: E 10.7 mph
Wind Gusts: 10.8 mph
Pressure: 29.96 in
Precipitation: 0.04 in
Cloud Cover: 64%
Visibility: 5 mi
UV Index: 1.9

Weather Forecast

Sunny
Mon
H: 85°F
L: 78°F
Patchy rain nearby
Tue
H: 86°F
L: 79°F
Patchy rain nearby
Wed
H: 86°F
L: 79°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
4.3 μg/m³
Good
PM10
6.3 μg/m³
Good
Ozone (O3)
58 μg/m³
Photochemical
NO2
0.5 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
105 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 20m daylight
Sunrise 6:28 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
New • 2%
Moonrise 6:41 AM
Transit 12:20 PM
Moonset 5:57 PM

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
11:50 AM - 2:20 PM

Minor Periods

6:11 AM - 7:41 AM
5:27 PM - 6:57 PM
Action Rating:
Peak Action 5/5

Rip Current Statement issued November 9 at 2:30AM AST until November 10 at 6:00PM AST by NWS San Juan PR

Effective: Mon November 9, 2026, 2:30 AM
Expires: Mon November 9, 2026, 6:00 PM

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...North-facing beaches of Puerto Rico, including Culebra. * WHEN...Through Tuesday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety. * ADDITIONAL DETAILS...Lingering northerly swells generated by distant surface low over the central Atlantic will support breaking waves of 5 to 8 feet and a high risk of life- threatening rip currents along the northern exposed beaches of Puerto Rico and Culebra.


Rip Current Statement issued November 9 at 9:57AM AST until November 10 at 6:00PM AST by NWS San Juan PR

Effective: Mon November 9, 2026, 9:57 AM
Expires: Mon November 9, 2026, 6:00 PM

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...North-facing beaches of Puerto Rico, including Culebra. * WHEN...Through Tuesday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety. * ADDITIONAL DETAILS...Lingering northerly swells generated by distant surface low over the central Atlantic will support breaking waves of 5 to 8 feet and a high risk of life- threatening rip currents along the northern exposed beaches of Puerto Rico and Culebra.
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 81°F
Average Humidity: 80%
Chance of Rain: 62%
Wind: 11.4 mph
UV Index: 8.3

Astronomical

Sun
11h 20m daylight
Sunrise 6:28 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
New • 2%
Moonrise 6:41 AM
Transit 12:20 PM
Moonset 5:57 PM

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
11:50 AM - 2:20 PM

Minor Periods

6:11 AM - 7:41 AM
5:27 PM - 6:57 PM
Action Rating:
Peak Action 5/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 81.8°F
Average Humidity: 78%
Chance of Rain: 65%
Wind: 9.6 mph
UV Index: 6.8

Astronomical

Sun
11h 19m daylight
Sunrise 6:29 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
New • 0%
Moonrise 7:36 AM
Transit 1:10 PM
Moonset 6:43 PM

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
12:40 PM - 3:10 PM

Minor Periods

7:06 AM - 8:36 AM
6:13 PM - 7:43 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.1°F
Average Humidity: 77%
Chance of Rain: 44%
Wind: 14.1 mph
UV Index: 7.8

Astronomical

Sun
11h 19m daylight
Sunrise 6:29 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
New • 2%
Moonrise 8:31 AM
Transit 2:01 PM
Moonset 7:32 PM

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
1:31 PM - 4:01 PM

Minor Periods

8:01 AM - 9:31 AM
7:02 PM - 8:32 PM
Action Rating:
Good Action 3/5
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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