Water Temperature of the Atlantic Ocean in San Juan, PR

Current Water Temperature

81.5°F

Measurement Time: Tuesday, April 22, 2025, 3:00 PM AST

Temperature Locations

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Local Points of Interest

Balneario del Escambrón; Peñon de San Jorge

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Atlantic Ocean

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

Elevation Above Sea Level: 0 feet / 0 meters

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 (89.0 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

80.8°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 62%
Feels Like: 83.9°F
Wind: NNE 7.4 mph
Wind Gusts: 10.1 mph
Pressure: 29.87 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0.2

Five Day Weather Forecast

Overcast
Tue
H: 77°F
L: 75°F
Sunny
Wed
H: 84°F
L: 73°F
Heavy rain
Thu
H: 82°F
L: 72°F
Moderate rain
Fri
H: 83°F
L: 75°F
Moderate rain
Sat
H: 82°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 10.55 μg/m3
PM10: 16.65 μg/m3
Carbon Monoxide: 210.9 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 41 mins
Moonrise: 2:11 AM
Moon Transit: 7:55 AM
Moonset: 1:44 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
12:00 AM - 12:00 AM

Minor Periods

1:14 PM - 2:44 PM
1:41 AM - 3:11 AM

Action Rating: 2 out of 5

Rip Current Statement issued April 22 at 9:47AM AST until April 23 at 6:00AM AST by NWS San Juan PR

Effective: Tue April 22, 2025, 9:47 AM
Expires: Tue April 22, 2025, 6:00 PM

* WHAT...Life-threatening rip currents are likely in the surf zone. * WHERE...Northern beaches of Puerto Rico, from Aguadilla to Fajardo. * WHEN...Through late tonight. * 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.


Rip Current Statement issued April 22 at 9:47AM AST until April 23 at 6:00AM AST by NWS San Juan PR

Effective: Tue April 22, 2025, 9:47 AM
Expires: Tue April 22, 2025, 6:00 PM

* WHAT...Life-threatening rip currents are likely in the surf zone. * WHERE...Northern beaches of Puerto Rico, from Aguadilla to Fajardo. * WHEN...Through late tonight. * 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.


Rip Current Statement issued April 22 at 9:47AM AST until April 23 at 6:00AM AST by NWS San Juan PR

Effective: Tue April 22, 2025, 9:47 AM
Expires: Tue April 22, 2025, 6:00 PM

* WHAT...Life-threatening rip currents are likely in the surf zone. * WHERE...Northern beaches of Puerto Rico, from Aguadilla to Fajardo. * WHEN...Through late tonight. * 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.


Rip Current Statement issued April 22 at 9:47AM AST until April 23 at 6:00AM AST by NWS San Juan PR

Effective: Tue April 22, 2025, 9:47 AM
Expires: Tue April 22, 2025, 6:00 PM

* WHAT...Life-threatening rip currents are likely in the surf zone. * WHERE...Northern beaches of Puerto Rico, from Aguadilla to Fajardo. * WHEN...Through late tonight. * 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.


Rip Current Statement issued April 22 at 9:47AM AST until April 23 at 6:00AM AST by NWS San Juan PR

Effective: Tue April 22, 2025, 9:47 AM
Expires: Tue April 22, 2025, 6:00 PM

* WHAT...Life-threatening rip currents are likely in the surf zone. * WHERE...Northern beaches of Puerto Rico, from Aguadilla to Fajardo. * WHEN...Through late tonight. * 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, April 22, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 76.2°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 14.05 μg/m3
Carbon Monoxide: 228.14 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 65.24 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 41 mins
Moonrise: 2:11 AM
Moon Transit: 7:55 AM
Moonset: 1:44 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
12:00 AM - 12:00 AM

Minor Periods

1:14 PM - 2:44 PM
1:41 AM - 3:11 AM

Action Rating: 2 out of 5

Wednesday, April 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 77.2°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.9

Air Quality

AQI: 1 - Good
PM2.5: 8.97 μg/m3
PM10: 13.87 μg/m3
Carbon Monoxide: 220.89 μg/m3
Nitrogen Dioxide: 1.92 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 72.44 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 42 mins
Moonrise: 2:52 AM
Moon Transit: 8:45 AM
Moonset: 2:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
12:00 AM - 12:00 AM

Minor Periods

2:13 PM - 3:43 PM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Thursday, April 24, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 76.2°F
Average Humidity: 84%
Chance of Rain: 87%
Wind: 13.2 mph
UV Index: 2.9

Air Quality

AQI: 1 - Good
PM2.5: 7.44 μg/m3
PM10: 11.06 μg/m3
Carbon Monoxide: 231.18 μg/m3
Nitrogen Dioxide: 2.01 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 79.08 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 43 mins
Moonrise: 3:32 AM
Moon Transit: 9:34 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:04 AM - 11:34 AM

Minor Periods

3:11 PM - 4:41 PM
3:02 AM - 4:32 AM

Action Rating: 2 out of 5

Friday, April 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 77.7°F
Average Humidity: 85%
Chance of Rain: 87%
Wind: 9.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 9.05 μg/m3
PM10: 12.4 μg/m3
Carbon Monoxide: 227.55 μg/m3
Nitrogen Dioxide: 1.91 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 44 mins
Moonrise: 4:11 AM
Moon Transit: 3:34 AM
Moonset: 4:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
3:04 AM - 5:34 AM

Minor Periods

4:12 PM - 5:42 PM
3:41 AM - 5:11 AM

Action Rating: 4 out of 5

Saturday, April 26, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 77.2°F
Average Humidity: 82%
Chance of Rain: 89%
Wind: 13 mph
UV Index: 6

Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 7.68 μg/m3
Carbon Monoxide: 226.84 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 47.38 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 45 mins
Moonrise: 4:52 AM
Moon Transit: 11:15 AM
Moonset: 5:44 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
10:45 AM - 1:15 PM

Minor Periods

5:14 PM - 6:44 PM
4:22 AM - 5:52 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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