Water Temperature of Las Casas Lake in Fort Buchanan, PR

Current Water Temperature

81.5°F

Measurement Time: Monday, February 2, 2026, 1:45 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

75.6°F
Light rain
Light rain
79.9°F
80.6°F
89%
WNW 6.5 mph
10.2 mph
76.1°F
73.1°F
0 in
100%
9 mi
1016 mbar
0

Five Day Weather Forecast

Moderate rain
Mon
H: 82°F
L: 75°F
Heavy rain
Tue
H: 77°F
L: 73°F
Heavy rain
Wed
H: 80°F
L: 77°F
Patchy rain nearby
Thu
H: 81°F
L: 74°F
Sunny
Fri
H: 83°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 5.45 μg/m3
Carbon Monoxide: 122.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:38 AM
Sunset: 6:19 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:15 PM
Moon Transit: 12:55 AM
Moonset: 7:30 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
4:08 PM - 6:38 PM

Minor Periods

6:45 PM - 8:15 PM
7:00 AM - 8:30 AM

Action Rating: 6 out of 5

Rip Current Statement issued February 1 at 4:40PM AST until February 4 at 6:00AM AST by NWS San Juan PR

Effective: Sun February 1, 2026, 4:40 PM
Expires: Mon February 2, 2026, 6:00 AM

* WHAT...Life-threatening rip current. * WHERE...North-, northwest, and west-facing beaches of Puerto Rico. * WHEN...From Monday through at least late Tuesday night. * 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...Strengthening trade winds and pulses of a long- period north-northwesterly swell will create life- threatning rip current conditions across Atlantic exposed beaches through at least midweek.

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 February 1 at 9:41PM AST until February 4 at 6:00AM AST by NWS San Juan PR

Effective: Sun February 1, 2026, 9:41 PM
Expires: Mon February 2, 2026, 5:45 AM

* WHAT...Life-threatening rip current. * WHERE...North, northwest, and west-facing beaches of Puerto Rico. * WHEN...From Monday through at least late Tuesday night. * 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...Strengthening trade winds and pulses of a long- period north-northwesterly swell will create life- threatening rip current conditions across Atlantic exposed beaches through at least midweek.

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.


Flash Flood Warning issued February 2 at 1:06AM AST until February 2 at 4:15AM AST by NWS San Juan PR

Effective: Mon February 2, 2026, 1:06 AM
Expires: Mon February 2, 2026, 4:15 AM

FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Guanica, Guayanilla, Penuelas, Ponce, and Yauco... * Until 415 AM AST. * At 106 AM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.


Monday, February 2, 2026

Weather Forecast

Moderate rain
81.5°F
75.2°F
77°F
89%
0.32 in
89%
0%
19.2 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 6.98 μg/m3
PM10: 9.19 μg/m3
Carbon Monoxide: 123.17 μg/m3
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 56 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:38 AM
Sunset: 6:19 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:15 PM
Moon Transit: 12:55 AM
Moonset: 7:30 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
4:08 PM - 6:38 PM

Minor Periods

6:45 PM - 8:15 PM
7:00 AM - 8:30 AM

Action Rating: 6 out of 5

Tuesday, February 3, 2026

Weather Forecast

Heavy rain
77.4°F
73.2°F
76.8°F
85%
1.53 in
89%
0%
19.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.15 μg/m3
PM10: 12.17 μg/m3
Carbon Monoxide: 140.33 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 92.72 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:38 AM
Sunset: 6:20 PM
Daylight: 11 hrs 23 mins
Moonrise: 8:12 PM
Moon Transit: 1:45 AM
Moonset: 8:11 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
4:56 PM - 7:26 PM

Minor Periods

7:42 PM - 9:12 PM
7:41 AM - 9:11 AM

Action Rating: 3 out of 5

Wednesday, February 4, 2026

Weather Forecast

Heavy rain
80.4°F
76.5°F
78°F
81%
1.44 in
88%
0%
16.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 6.37 μg/m3
PM10: 9.57 μg/m3
Carbon Monoxide: 131.33 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 87.36 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:38 AM
Sunset: 6:20 PM
Daylight: 11 hrs 23 mins
Moonrise: 9:04 PM
Moon Transit: 2:31 AM
Moonset: 8:47 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
5:40 PM - 8:10 PM

Minor Periods

8:34 PM - 10:04 PM
8:17 AM - 9:47 AM

Action Rating: 3 out of 5

Thursday, February 5, 2026

Weather Forecast

Patchy rain nearby
81.3°F
73.5°F
77.1°F
81%
0.12 in
84%
0%
10.1 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 5.27 μg/m3
PM10: 6.96 μg/m3
Carbon Monoxide: 113.93 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 51.84 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:38 AM
Sunset: 6:21 PM
Daylight: 11 hrs 24 mins
Moonrise: 9:56 PM
Moon Transit: 3:15 AM
Moonset: 9:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:45 AM - 5:15 AM
6:23 PM - 8:53 PM

Minor Periods

9:26 PM - 10:56 PM
8:52 AM - 10:22 AM

Action Rating: 3 out of 5

Friday, February 6, 2026

Weather Forecast

Sunny
83°F
72.4°F
76.1°F
78%
0 in
0%
0%
5.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 10.32 μg/m3
PM10: 12.44 μg/m3
Carbon Monoxide: 107.39 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 39.23 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:38 AM
Sunset: 6:21 PM
Daylight: 11 hrs 25 mins
Moonrise: 10:47 PM
Moon Transit: 3:57 AM
Moonset: 9:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
7:05 PM - 9:35 PM

Minor Periods

10:17 PM - 11:47 PM
9:26 AM - 10:56 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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