Water Temperature of San Juan Bay in San Juan, PR
Current Water Temperature
Measurement Time: Thursday, April 23, 2026, 2:30 AM AST
Today's Tides
High: April 23, 2:13 AM, 1.6 ft
Low: April 23, 8:55 AM, 0.4 ft
High: April 23, 1:37 PM, 0.8 ft
Low: April 23, 7:48 PM, -0.2 ft
Temperature Locations
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Local Points of Interest
Bahia de San Juan; Old San Juan; Port of San Juan; Caribbean SeaStation 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

Five Day Weather Forecast

Thu
H: 81°F
L: 72°F

Fri
H: 82°F
L: 71°F

Sat
H: 83°F
L: 74°F

Sun
H: 85°F
L: 72°F

Mon
H: 83°F
L: 74°F
Air Quality
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 63 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 42 mins
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 AM6:04 PM - 8:34 PM
Minor Periods
11:16 AM - 12:46 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Rip Current Statement issued April 22 at 2:14PM AST until April 23 at 6:00PM AST by NWS San Juan PR
Effective: Wed April 22, 2026, 2:14 PM
Expires: Thu April 23, 2026, 2:00 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 on Thursday. This will increase the breaking wave 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 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 68.16 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 42 mins
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 AM6:04 PM - 8:34 PM
Minor Periods
11:16 AM - 12:46 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 63.72 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 6:44 PM
Daylight: 12 hrs 43 mins
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 AM6:57 PM - 9:27 PM
Minor Periods
12:18 AM - 1:48 PM12:49 AM - 2:19 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 51.84 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 44 mins
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 PM7:45 PM - 10:15 PM
Minor Periods
1:15 PM - 2:45 PM1:33 AM - 3:03 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 37 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 45 mins
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 PM8:30 PM - 11:00 PM
Minor Periods
2:10 PM - 3:40 PM2:12 AM - 3:42 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:22 AM
Sunset: 6:45 PM
Daylight: 12 hrs 46 mins
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
12:08 AM - 2:38 PM9:13 PM - 11:43 PM
Minor Periods
3:01 PM - 4:31 PM2:47 AM - 4:17 AM
Action Rating: 2 out of 5
