Water Temperature of San Juan Bay in San Juan, PR

Current Water Temperature

81.9°F

Measurement Time: Thursday, January 15, 2026, 11:48 PM AST

Today's Tides

 High: January 15, 7:19 AM, 1.4 ft
Low: January 15, 2:21 PM, 0.5 ft
 High: January 15, 5:40 PM, 0.7 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

79°F
Clear
Clear
84.2°F
81.6°F
79%
SSE 5.6 mph
9.3 mph
77°F
70.2°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 83°F
L: 76°F
Heavy rain
Fri
H: 81°F
L: 76°F
Patchy rain nearby
Sat
H: 86°F
L: 76°F
Patchy rain nearby
Sun
H: 82°F
L: 73°F
Patchy rain nearby
Mon
H: 83°F
L: 74°F

Air Quality

PM2.5: 5.65 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 109.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:33 AM
Sunset: 6:09 PM
Daylight: 11 hrs 9 mins
Moonrise: 4:25 AM
Moon Transit: 9:54 AM
Moonset: 3:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:16 AM - 2:46 AM
9:24 AM - 11:54 AM

Minor Periods

2:54 PM - 4:24 PM
3:55 AM - 5:25 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Partly Cloudy
82.8°F
75.7°F
79.3°F
82%
0 in
0%
0%
13.4 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 5.16 μg/m3
PM10: 7.02 μg/m3
Carbon Monoxide: 106.13 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 60.16 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:33 AM
Sunset: 6:09 PM
Daylight: 11 hrs 9 mins
Moonrise: 4:25 AM
Moon Transit: 9:54 AM
Moonset: 3:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:16 AM - 2:46 AM
9:24 AM - 11:54 AM

Minor Periods

2:54 PM - 4:24 PM
3:55 AM - 5:25 AM

Action Rating: 2 out of 5

Friday, January 16, 2026

Weather Forecast

Heavy rain
81°F
76.1°F
77.9°F
83%
1.05 in
85%
0%
14.3 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 5.07 μg/m3
PM10: 6.88 μg/m3
Carbon Monoxide: 109.29 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 58.28 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:34 AM
Sunset: 6:09 PM
Daylight: 11 hrs 9 mins
Moonrise: 5:17 AM
Moon Transit: 10:47 AM
Moonset: 4:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

1:08 AM - 3:38 AM
10:17 AM - 12:47 AM

Minor Periods

3:47 PM - 5:17 PM
4:47 AM - 6:17 AM

Action Rating: 2 out of 5

Saturday, January 17, 2026

Weather Forecast

Patchy rain nearby
85.6°F
75.6°F
79.1°F
81%
0.02 in
70%
0%
17.9 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 7.69 μg/m3
Carbon Monoxide: 107.75 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 64.76 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:34 AM
Sunset: 6:10 PM
Daylight: 11 hrs 10 mins
Moonrise: 6:09 AM
Moon Transit: 11:39 AM
Moonset: 5:12 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
11:09 AM - 1:39 PM

Minor Periods

4:42 PM - 6:12 PM
5:39 AM - 7:09 AM

Action Rating: 5 out of 5

Sunday, January 18, 2026

Weather Forecast

Patchy rain nearby
82°F
73.2°F
77.1°F
75%
0.04 in
87%
0%
16.6 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 5.91 μg/m3
PM10: 8.76 μg/m3
Carbon Monoxide: 116.39 μg/m3
Nitrogen Dioxide: 1.54 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 65.54 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:34 AM
Sunset: 6:10 PM
Daylight: 11 hrs 11 mins
Moonrise: 6:56 AM
Moon Transit: 12:31 AM
Moonset: 6:09 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
12:01 AM - 2:31 PM

Minor Periods

5:39 PM - 7:09 PM
6:26 AM - 7:56 AM

Action Rating: 3 out of 5

Monday, January 19, 2026

Weather Forecast

Patchy rain nearby
83.2°F
74.4°F
76.7°F
79%
0.04 in
87%
0%
13.6 mph
0.1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:35 AM
Sunset: 6:11 PM
Daylight: 11 hrs 11 mins
Moonrise: 7:40 AM
Moon Transit: 1:20 PM
Moonset: 7:05 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
12:50 AM - 3:20 PM

Minor Periods

6:35 PM - 8:05 PM
7:10 AM - 8:40 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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