Water Temperature of Las Casas Lake in Fort Buchanan, PR

Current Water Temperature

86.4°F

Measurement Time: Wednesday, July 29, 2026, 3:45 AM AST

Temperature Locations

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Local Points of Interest

Bayamón, PR; Guaynabo, PR

Las Casas Lake

Station Name: LAS CASAS LAKE AT FORT BUCHANAN, GUAYNABO, PR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 33 feet

Nearest Address:
Columbus St
Fort Buchanan, PR 00934
Bayamón County

GPS Coordinates: 18.41459765, -66.1235553

Nearby Water Temperatures

Unnamed Creek, Fort Buchanan, PR (0.6 mi)
Unnamed Creek, Fort Buchanan, PR (0.6 mi)
San Juan Bay, San Juan, PR (3.1 mi)
Atlantic Ocean, San Juan, PR (4.4 mi)
Atlantic Ocean, Vieques, PR (44.5 mi)
Caribbean Sea, Esperanza, PR (48.2 mi)
Bahía de Sardinas, Culebra, PR (54.4 mi)
Caribbean Sea, La Parguera, PR (67.9 mi)
Bahía de Aguadilla, Aguadilla, PR (68.3 mi)
Bahía de Mayagüez, Mayagüez, PR (69.5 mi)
Long Bay, Charlotte Amalie (St. Thomas), VI (79.1 mi)
Caribbean Sea, St. John, VI (90 mi)
Lameshur Bay, Coral Harbour (St. John), VI (92 mi)
Limetree Bay, St. Croix, VI (102.8 mi)
Christiansted Harbor, Christiansted (St. Croix), VI (104.3 mi)

Weather for Fort Buchanan, Puerto Rico

Current Weather

82.1°F
Patchy rain nearby
Patchy rain nearby
88.3°F
88.7°F
77%
ESE 11 mph
12.6 mph
82.1°F
74.1°F
0 in
74%
6 mi
1017 mbar
1.5

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 89°F
L: 77°F
Patchy rain nearby
Thu
H: 90°F
L: 76°F
Patchy rain nearby
Fri
H: 89°F
L: 75°F
Patchy rain nearby
Sat
H: 90°F
L: 74°F
Patchy rain nearby
Sun
H: 89°F
L: 75°F

Air Quality

AQI: 1 - Good
PM2.5: 5.6 μg/m3
PM10: 10 μg/m3
Carbon Monoxide: 92 μg/m3
Nitrogen Dioxide: 0.4 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 35 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:31 AM
Sunset: 7:00 PM
Daylight: 12 hrs 59 mins
Moonrise: 7:16 PM
Moon Transit: 12:13 AM
Moonset: 5:54 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:24 PM - 5:54 PM

Minor Periods

6:46 PM - 8:16 PM
5:24 AM - 6:54 AM

Action Rating: 4 out of 5

Heat Advisory issued July 29 at 2:14AM AST until July 29 at 5:00PM AST by NWS San Juan PR

Effective: Wed July 29, 2026, 2:14 AM
Expires: Wed July 29, 2026, 11:00 AM

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. expected. * WHERE...Portions of Puerto Rico and Virgin Islands. * WHEN...From 10 AM this morning to 5 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Monitor the latest forecasts and warnings for updates.
Wednesday, July 29, 2026

Weather Forecast

Patchy rain nearby
89.2°F
76.9°F
82°F
77%
0.03 in
47%
0%
16.1 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 10.7 μg/m3
PM10: 22.97 μg/m3
Carbon Monoxide: 91.29 μg/m3
Nitrogen Dioxide: 0.45 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 41.04 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:31 AM
Sunset: 7:00 PM
Daylight: 12 hrs 59 mins
Moonrise: 7:16 PM
Moon Transit: 12:13 AM
Moonset: 5:54 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:24 PM - 5:54 PM

Minor Periods

6:46 PM - 8:16 PM
5:24 AM - 6:54 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Patchy rain nearby
89.5°F
76.3°F
82.6°F
70%
0.02 in
40%
0%
18.1 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 8.63 μg/m3
PM10: 19.23 μg/m3
Carbon Monoxide: 89.58 μg/m3
Nitrogen Dioxide: 0.45 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 44.67 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:30 AM
Sunset: 7:00 PM
Daylight: 12 hrs 58 mins
Moonrise: 7:54 PM
Moon Transit: 1:00 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
4:09 PM - 6:39 PM

Minor Periods

7:24 PM - 8:54 PM
6:17 AM - 7:47 AM

Action Rating: 6 out of 5

Friday, July 31, 2026

Weather Forecast

Patchy rain nearby
89.1°F
75°F
80.7°F
75%
0.05 in
58%
0%
15.2 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 11.37 μg/m3
PM10: 30.16 μg/m3
Carbon Monoxide: 88.92 μg/m3
Nitrogen Dioxide: 0.42 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 38.46 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:30 AM
Sunset: 7:00 PM
Daylight: 12 hrs 57 mins
Moonrise: 8:30 PM
Moon Transit: 1:44 AM
Moonset: 7:39 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
4:53 PM - 7:23 PM

Minor Periods

8:00 PM - 9:30 PM
7:09 AM - 8:39 AM

Action Rating: 4 out of 5

Saturday, August 1, 2026

Weather Forecast

Patchy rain nearby
89.9°F
74°F
80.8°F
73%
0.03 in
43%
0%
15 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 8.36 μg/m3
PM10: 17.23 μg/m3
Carbon Monoxide: 92.33 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 37.92 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:30 AM
Sunset: 6:59 PM
Daylight: 12 hrs 57 mins
Moonrise: 9:04 PM
Moon Transit: 2:28 AM
Moonset: 8:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
12:00 AM - 12:00 AM

Minor Periods

8:34 PM - 10:04 PM
8:01 AM - 9:31 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Patchy rain nearby
88.8°F
74.8°F
81.3°F
78%
0.07 in
62%
0%
12.8 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.34 μg/m3
PM10: 5.66 μg/m3
Carbon Monoxide: 115.56 μg/m3
Nitrogen Dioxide: 0.77 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 34.56 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:30 AM
Sunset: 6:59 PM
Daylight: 12 hrs 56 mins
Moonrise: 9:39 PM
Moon Transit: 6:50 PM
Moonset: 9:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

6:20 PM - 8:50 PM
6:20 PM - 8:50 PM

Minor Periods

9:09 PM - 10:39 PM
8:52 AM - 10:22 AM

Action Rating: 2 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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