Water Temperature of the Atlantic Ocean in San Juan, PR

Current Water Temperature

80.2°F

Measurement Time: Friday, March 20, 2026, 7:00 AM AST

Temperature Locations

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Local Points of Interest

Balneario del Escambrón; Peñon de San Jorge

Atlantic Ocean

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

Elevation Above Sea Level: 0 feet

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 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

77.7°F
Sunny
Sunny
80.3°F
80.3°F
64%
ESE 5.8 mph
7 mph
77.7°F
64.7°F
0 in
18%
6 mi
1015 mbar
4.4

Five Day Weather Forecast

Sunny
Thu
H: 81°F
L: 71°F
Sunny
Fri
H: 83°F
L: 72°F
Patchy rain nearby
Sat
H: 85°F
L: 74°F
Patchy rain nearby
Sun
H: 85°F
L: 73°F
Patchy rain nearby
Mon
H: 84°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 116.85 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 42 mins
Moonrise: 11:46 AM
Moon Transit: 6:34 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
6:04 PM - 8:34 PM

Minor Periods

11:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Rip Current Statement issued April 22 at 8:14PM AST until April 23 at 6:00PM AST by NWS San Juan PR

Effective: Wed April 22, 2026, 8:14 PM
Expires: Thu April 23, 2026, 6:00 AM

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...Beaches along the northwest to northeast beaches of Puerto Rico, Culebra, St. Thomas, and St. John. * WHEN...From Thursday morning through Thursday 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...A long period north to northwest swell will spread across the Atlantic waters overnight through Thursday. This will increase the surf heights and rip current risk along the north facing beaches of Puerto Rico, Culebra, St. Thomas, and St. John.

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.


Rip Current Statement issued April 23 at 2:55AM AST until April 24 at 6:00AM AST by NWS San Juan PR

Effective: Thu April 23, 2026, 2:55 AM
Expires: Thu April 23, 2026, 6:00 PM

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...Beaches along the northwest to northeast beaches of Puerto Rico, Culebra, St. Thomas, and St. John. * WHEN...From Thursday morning through Thursday 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...A long period north to northwest swell will spread across the Atlantic waters overnight through this evening. This will increase the surf heights and rip current risk along the north facing beaches of Puerto Rico, Culebra, St. Thomas, and St. John.

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.


Thursday, April 23, 2026

Weather Forecast

Sunny
81.4°F
71.4°F
76.4°F
68%
0 in
0%
0%
13 mph
12.8


Air Quality

AQI: 1 - Good
PM2.5: 5.01 μg/m3
PM10: 7.05 μg/m3
Carbon Monoxide: 118.77 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 42 mins
Moonrise: 11:46 AM
Moon Transit: 6:34 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
6:04 PM - 8:34 PM

Minor Periods

11:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Sunny
82.5°F
71.6°F
76.9°F
68%
0 in
0%
0%
13.9 mph
12.8


Air Quality

AQI: 1 - Good
PM2.5: 4.04 μg/m3
PM10: 5.45 μg/m3
Carbon Monoxide: 118.01 μg/m3
Nitrogen Dioxide: 1.71 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 63.48 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 43 mins
Moonrise: 12:48 AM
Moon Transit: 7:27 PM
Moonset: 1:19 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

9:50 AM - 12:20 AM
6:57 PM - 9:27 PM

Minor Periods

12:18 AM - 1:48 PM
12:49 AM - 2:19 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Patchy rain nearby
84.7°F
74°F
78.6°F
72%
0.01 in
88%
0%
6.7 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 6.27 μg/m3
Carbon Monoxide: 114.21 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 54.52 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 44 mins
Moonrise: 1:45 PM
Moon Transit: 8:15 PM
Moonset: 2:03 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

10:39 AM - 1:09 PM
7:45 PM - 10:15 PM

Minor Periods

1:15 PM - 2:45 PM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Sunday, April 26, 2026

Weather Forecast

Patchy rain nearby
84.8°F
72.8°F
78.4°F
75%
0.01 in
89%
0%
6.9 mph
12.9


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 8.35 μg/m3
Carbon Monoxide: 118.53 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 45.36 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 45 mins
Moonrise: 2:40 PM
Moon Transit: 9:00 PM
Moonset: 2:42 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

11:25 AM - 1:55 PM
8:30 PM - 11:00 PM

Minor Periods

2:10 PM - 3:40 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Monday, April 27, 2026

Weather Forecast

Patchy rain nearby
83.8°F
73.8°F
77.6°F
79%
0.17 in
83%
0%
12.3 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 117.47 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 40 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 46 mins
Moonrise: 3:31 PM
Moon Transit: 9:43 PM
Moonset: 3:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 PM
9:13 PM - 11:43 PM

Minor Periods

3:01 PM - 4:31 PM
2:47 AM - 4:17 AM

Action Rating: 2 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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