Water Temperature of the Atlantic Ocean in San Juan, PR
Current Water Temperature
Measurement Time: Saturday, October 4, 2025, 3:00 PM AST
Temperature Locations
View Nearby Locations View All Puerto Rico Locations View Locations Near Me
Local Points of Interest
Balneario del Escambrón; Peñon de San JorgeSponsored Content
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

Humidity: 89%
Feels Like: 87.1°F
Wind: SE 4.7 mph
Wind Gusts: 7.1 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0.1
Five Day Weather Forecast

Mon
H: 88°F
L: 79°F

Tue
H: 86°F
L: 79°F

Wed
H: 90°F
L: 80°F

Thu
H: 87°F
L: 78°F

Fri
H: 85°F
L: 78°F
Air Quality
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 48 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 6:09 PM
Daylight: 11 hrs 52 mins
Moon Transit: 1:38 AM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
1:08 AM - 3:38 AM1:08 AM - 3:38 AM
Minor Periods
5:19 PM - 6:49 PM5:04 AM - 6:34 AM
Action Rating: 4 out of 5
High Surf Advisory issued October 5 at 9:37PM AST until October 7 at 6:00AM AST by NWS San Juan PR
Effective: Sun October 5, 2025, 9:37 PM
Expires: Mon October 6, 2025, 5:45 AM
* WHAT...For the High Surf Advisory, large breaking waves of 10-12 feet and locally higher in some areas. For the HIGH RIP CURRENT RISK, life- threatening rip current. * WHERE... For the HIGH SURF ADVISORY, the most vulnerable areas for high surf and beach erosion include Pinones along Road 187, Parcelas Suarez, Villas del Mar, and Villa Christiana in Loiza; Fortuna in Luquillo; Pueblo and Tamarindo in Aguadilla; Barrio Obrero, Pueblo and Jareaito in Arecibo; Las Boca in Barceloneta; Machuca in Manati; Puerto Nuevo in Vega Baja; Ocean Park in San Juan; and Barrio Espinal in Aguada. For the HIGH RIP CURRENT RISK for the coastal areas of north, western and northeastern PR, including St. Thomas and St. Croix. * WHEN...For the High Surf Advisory remains until 6 AM AST tuesday. For the High Rip Current Risk remains through tuesday afternoon * IMPACTS...FOR THE HIGH SURF ADVISORY, High waves that can wash over jetties and sweep people and pets onto jagged rocks. Rough surf may also knock you down. Large breaking waves will result in localized beach/dune structure erosion and dangerous swimming conditions. FOR THE HIGH RIP CURRENT RISK, rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety.
A High Surf Advisory means that high surf will affect beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. 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 October 5 at 9:37PM AST until October 7 at 6:00PM AST by NWS San Juan PR
Effective: Sun October 5, 2025, 9:37 PM
Expires: Mon October 6, 2025, 5:45 AM
* WHAT...For the High Surf Advisory, large breaking waves of 10-12 feet and locally higher in some areas. For the HIGH RIP CURRENT RISK, life- threatening rip current. * WHERE... For the HIGH SURF ADVISORY, the most vulnerable areas for high surf and beach erosion include Pinones along Road 187, Parcelas Suarez, Villas del Mar, and Villa Christiana in Loiza; Fortuna in Luquillo; Pueblo and Tamarindo in Aguadilla; Barrio Obrero, Pueblo and Jareaito in Arecibo; Las Boca in Barceloneta; Machuca in Manati; Puerto Nuevo in Vega Baja; Ocean Park in San Juan; and Barrio Espinal in Aguada. For the HIGH RIP CURRENT RISK for the coastal areas of north, western and northeastern PR, including St. Thomas and St. Croix. * WHEN...For the High Surf Advisory remains until 6 AM AST tuesday. For the High Rip Current Risk remains through tuesday afternoon * IMPACTS...FOR THE HIGH SURF ADVISORY, High waves that can wash over jetties and sweep people and pets onto jagged rocks. Rough surf may also knock you down. Large breaking waves will result in localized beach/dune structure erosion and dangerous swimming conditions. FOR THE HIGH RIP CURRENT RISK, rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety.
A High Surf Advisory means that high surf will affect beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. 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.
Weather Forecast
Average Temperature: 83°F
Average Humidity: 82%
Wind: 11.9 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 40.36 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 6:09 PM
Daylight: 11 hrs 52 mins
Moon Transit: 1:38 AM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
1:08 AM - 3:38 AM1:08 AM - 3:38 AM
Minor Periods
5:19 PM - 6:49 PM5:04 AM - 6:34 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 83.3°F
Average Humidity: 80%
Wind: 9.2 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 1.66 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 39.84 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 6:08 PM
Daylight: 11 hrs 51 mins
Moon Transit: 12:09 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:23 PM - 5:53 PM
Minor Periods
6:01 PM - 7:31 PM6:05 AM - 7:35 AM
Action Rating: 6 out of 5
Weather Forecast
Average Temperature: 83.7°F
Average Humidity: 75%
Wind: 12.3 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 44.28 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 6:07 PM
Daylight: 11 hrs 50 mins
Moon Transit: 1:02 AM
Moonset: 7:38 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
12:32 AM - 3:02 AM4:18 PM - 6:48 PM
Minor Periods
6:47 PM - 8:17 PM7:08 AM - 8:38 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 82.1°F
Average Humidity: 78%
Wind: 13 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 42.4 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 6:06 PM
Daylight: 11 hrs 49 mins
Moon Transit: 1:58 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
1:28 AM - 3:58 AM5:17 PM - 7:47 PM
Minor Periods
7:38 PM - 9:08 PM8:15 AM - 9:45 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 81.3°F
Average Humidity: 77%
Wind: 8.9 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 31.23 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 6:05 PM
Daylight: 11 hrs 48 mins
Moon Transit: 3:00 AM
Moonset: 9:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
2:30 AM - 5:00 AM6:20 PM - 8:50 PM
Minor Periods
8:35 PM - 10:05 PM9:23 AM - 10:53 AM
Action Rating: 3 out of 5