Water Temperature of San Juan Bay in San Juan, PR

Current Water Temperature

84.4°F

Measurement Time: Friday, June 19, 2026, 3:18 PM AST

Today's Tides

 High: June 19, 12:32 AM, 1.7 ft
Low: June 19, 7:10 AM, 0.3 ft
 High: June 19, 12:23 PM, 1.0 ft
Low: June 19, 6:24 PM, 0.0 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

86.5°F
Sunny
Sunny
92.1°F
92.8°F
60%
E 17.9 mph
20.6 mph
86.5°F
71.3°F
0 in
0%
6 mi
1017 mbar
6.5

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 87°F
L: 77°F
Patchy rain nearby
Sat
H: 87°F
L: 77°F
Patchy rain nearby
Sun
H: 86°F
L: 77°F
Patchy rain nearby
Mon
H: 87°F
L: 77°F
Patchy rain nearby
Tue
H: 85°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 15.9 μg/m3
PM10: 42.6 μg/m3
Carbon Monoxide: 97 μg/m3
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:25 AM
Sunset: 7:03 PM
Daylight: 13 hrs 14 mins
Moonrise: 10:26 AM
Moon Transit: 4:53 PM
Moonset: 11:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
4:23 PM - 6:53 PM

Minor Periods

12:00 AM - 12:00 AM
9:56 AM - 11:26 AM

Action Rating: 3 out of 5

Heat Advisory issued June 19 at 7:14AM AST until June 19 at 6:00PM AST by NWS San Juan PR

Effective: Fri June 19, 2026, 7:14 AM
Expires: Fri June 19, 2026, 6:00 PM

* WHAT...This level of heat affect most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health system and in heat-sensitive industries. * WHERE...Lower elevations of Puerto Rico and the US Virgin Islands. * WHEN...From 9 AM until 6 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Monitor the latest forecasts and warnings for updates.
Friday, June 19, 2026

Weather Forecast

Patchy rain nearby
87.4°F
77.3°F
81.9°F
74%
0.04 in
57%
0%
19.7 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 13.85 μg/m3
PM10: 38.49 μg/m3
Carbon Monoxide: 97.21 μg/m3
Nitrogen Dioxide: 0.41 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 38.54 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:25 AM
Sunset: 7:03 PM
Daylight: 13 hrs 14 mins
Moonrise: 10:26 AM
Moon Transit: 4:53 PM
Moonset: 11:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
4:23 PM - 6:53 PM

Minor Periods

12:00 AM - 12:00 AM
9:56 AM - 11:26 AM

Action Rating: 3 out of 5

Saturday, June 20, 2026

Weather Forecast

Patchy rain nearby
86.6°F
76.7°F
81.2°F
70%
0.01 in
36%
0%
18.3 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 11.45 μg/m3
PM10: 28.03 μg/m3
Carbon Monoxide: 91.96 μg/m3
Nitrogen Dioxide: 0.43 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 43.83 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:26 AM
Sunset: 7:03 PM
Daylight: 13 hrs 14 mins
Moonrise: 11:21 AM
Moon Transit: 5:39 PM
Moonset: 12:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

8:04 AM - 10:34 AM
5:09 PM - 7:39 PM

Minor Periods

10:51 AM - 12:21 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, June 21, 2026

Weather Forecast

Patchy rain nearby
86.3°F
76.8°F
80.9°F
73%
0.11 in
66%
0%
18.6 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 8.06 μg/m3
PM10: 18.56 μg/m3
Carbon Monoxide: 95.96 μg/m3
Nitrogen Dioxide: 0.47 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 40.75 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:26 AM
Sunset: 7:04 PM
Daylight: 13 hrs 14 mins
Moonrise: 12:14 AM
Moon Transit: 6:22 PM
Moonset: 12:53 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
5:52 PM - 8:22 PM

Minor Periods

11:44 AM - 1:14 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, June 22, 2026

Weather Forecast

Patchy rain nearby
86.8°F
77°F
81.4°F
73%
0.03 in
43%
0%
20.4 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 8.29 μg/m3
PM10: 20.3 μg/m3
Carbon Monoxide: 93.83 μg/m3
Nitrogen Dioxide: 0.43 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 38.46 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:26 AM
Sunset: 7:04 PM
Daylight: 13 hrs 14 mins
Moonrise: 1:05 PM
Moon Transit: 7:05 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

9:30 AM - 12:00 AM
6:35 PM - 9:05 PM

Minor Periods

12:35 AM - 2:05 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, June 23, 2026

Weather Forecast

Patchy rain nearby
84.9°F
77.8°F
81.2°F
71%
0.03 in
41%
0%
18.3 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 6.47 μg/m3
PM10: 11.8 μg/m3
Carbon Monoxide: 98.11 μg/m3
Nitrogen Dioxide: 0.46 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 48.33 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:26 AM
Sunset: 7:04 PM
Daylight: 13 hrs 14 mins
Moonrise: 1:56 PM
Moon Transit: 7:47 PM
Moonset: 1:01 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

10:13 AM - 12:43 AM
7:17 PM - 9:47 PM

Minor Periods

1:26 PM - 2:56 PM
12:31 AM - 2:01 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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