Water Temperature of San Juan Bay in San Juan, PR

Current Water Temperature

82.4°F

Measurement Time: Monday, May 25, 2026, 7:48 PM AST

Today's Tides

 High: May 25, 4:12 AM, 1.2 ft
Low: May 25, 10:33 AM, 0.1 ft
 High: May 25, 5:13 PM, 1.3 ft
Low: May 25, 11:19 PM, 0.4 ft

Temperature Locations

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Local Points of Interest

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

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

77.7°F
Patchy rain nearby
Patchy rain nearby
81.8°F
81.8°F
81%
E 15.9 mph
23.2 mph
77.7°F
71.2°F
0 in
88%
6 mi
1017 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 84°F
L: 75°F
Patchy rain nearby
Tue
H: 83°F
L: 76°F
Patchy rain nearby
Wed
H: 83°F
L: 76°F
Patchy rain nearby
Thu
H: 85°F
L: 77°F
Patchy rain nearby
Fri
H: 86°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 6.65 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 106.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:21 AM
Sunset: 6:55 PM
Daylight: 13 hrs 7 mins
Moonrise: 2:19 PM
Moon Transit: 8:24 PM
Moonset: 1:53 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:50 AM - 1:20 PM
7:54 PM - 10:24 PM

Minor Periods

1:49 PM - 3:19 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Rip Current Statement issued May 25 at 8:02AM AST until May 26 at 6:00PM AST by NWS San Juan PR

Effective: Mon May 25, 2026, 8:02 AM
Expires: Mon May 25, 2026, 10:00 PM

* WHAT...Life-threatening rip currents. * WHERE...Exposed beaches of northern and southeastern Puerto Rico, Vieques, Culebra, and all the U.S. Virgin Islands. * 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.

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.


Wind Advisory issued May 25 at 2:13PM AST until May 25 at 8:00PM AST by NWS San Juan PR

Effective: Mon May 25, 2026, 2:13 PM
Expires: Mon May 25, 2026, 8:00 PM

* WHAT...East winds up to 25 mph with gusts up to 40 mph expected, particularly across the U.S. Virgin Islands and eastern Puerto Rico. * WHERE...Puerto Rico and Virgin Islands. * WHEN...Until 8 PM AST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
84°F
74.9°F
79.1°F
74%
0.06 in
89%
0%
20.1 mph
11.7


Air Quality

AQI: 1 - Good
PM2.5: 8.61 μg/m3
PM10: 13.73 μg/m3
Carbon Monoxide: 104.25 μg/m3
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 57.16 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:21 AM
Sunset: 6:55 PM
Daylight: 13 hrs 7 mins
Moonrise: 2:19 PM
Moon Transit: 8:24 PM
Moonset: 1:53 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:50 AM - 1:20 PM
7:54 PM - 10:24 PM

Minor Periods

1:49 PM - 3:19 PM
1:23 AM - 2:53 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
82.9°F
76°F
78.9°F
78%
0.16 in
91%
0%
18.3 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 8.47 μg/m3
PM10: 13.45 μg/m3
Carbon Monoxide: 108.09 μg/m3
Nitrogen Dioxide: 1.31 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 56.44 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:21 AM
Sunset: 6:55 PM
Daylight: 13 hrs 7 mins
Moonrise: 3:09 PM
Moon Transit: 9:06 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

11:32 AM - 2:02 PM
8:36 PM - 11:06 PM

Minor Periods

2:39 PM - 4:09 PM
1:57 AM - 3:27 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
82.7°F
76.2°F
79.1°F
80%
0.19 in
88%
0%
16.6 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 7.07 μg/m3
Carbon Monoxide: 106.41 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 52.08 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:21 AM
Sunset: 6:56 PM
Daylight: 13 hrs 8 mins
Moonrise: 3:59 PM
Moon Transit: 9:49 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

12:14 AM - 2:44 PM
9:19 PM - 11:49 PM

Minor Periods

3:29 PM - 4:59 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
85°F
76.5°F
80°F
77%
0.11 in
88%
0%
16.8 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 7.01 μg/m3
PM10: 12.68 μg/m3
Carbon Monoxide: 107.19 μg/m3
Nitrogen Dioxide: 1.42 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 47.4 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:21 AM
Sunset: 6:56 PM
Daylight: 13 hrs 8 mins
Moonrise: 4:51 PM
Moon Transit: 10:33 PM
Moonset: 3:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 PM
12:00 AM - 12:00 AM

Minor Periods

4:21 PM - 5:51 PM
3:06 AM - 4:36 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
86.3°F
76.2°F
80.7°F
77%
0.03 in
89%
0%
16.1 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 11.73 μg/m3
PM10: 24.44 μg/m3
Carbon Monoxide: 111.39 μg/m3
Nitrogen Dioxide: 1.62 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 49.23 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:21 AM
Sunset: 6:56 PM
Daylight: 13 hrs 9 mins
Moonrise: 5:43 PM
Moon Transit: 11:20 PM
Moonset: 4:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:44 PM - 4:14 PM
12:00 AM - 12:00 AM

Minor Periods

5:13 PM - 6:43 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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