Water Temperature of Las Casas Lake in Fort Buchanan, PR

Current Water Temperature

83.1°F 28.4°C
Warm Warm & Relaxing
83.1°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Water feels warm and inviting. Safe for extended immersion with virtually no thermal fatigue.

Measurement Time: Saturday, November 7, 2026, 7:45 AM AST

Temperature Locations

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Local Points of Interest

Bayamón, PR; Guaynabo, PR

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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

89.7°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 54%
Feels Like: 95.7°F
Wind: SW 5.1 mph
Wind Gusts: 8.7 mph
Pressure: 29.84 in
Precipitation: 0 in
Cloud Cover: 72%
Visibility: 6 mi
UV Index: 8.6

Weather Forecast

Light rain shower
Sat
H: 90°F
L: 70°F
Sunny
Sun
H: 90°F
L: 70°F
Sunny
Mon
H: 90°F
L: 71°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
1.1 μg/m³
Good
PM10
1.5 μg/m³
Good
Ozone (O3)
49 μg/m³
Photochemical
NO2
0.2 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
103 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 22m daylight
Sunrise 6:27 AM
Solar Noon 12:08 PM
Sunset 5:49 PM
Moon
Waning Crescent • 1%
Moonrise 4:54 AM
Transit 10:46 AM
Moonset 4:36 PM

Best Times for Fishing or Hunting

Major Periods

10:16 AM - 12:46 PM
10:39 PM - 1:09 AM

Minor Periods

4:24 AM - 5:54 AM
4:06 PM - 5:36 PM
Action Rating:
Good Action 3/5

Rip Current Statement issued November 7 at 4:00AM AST until November 8 at 6:00PM AST by NWS San Juan PR

Effective: Sat November 7, 2026, 4:00 AM
Expires: Sat November 7, 2026, 5:00 PM

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...North-facing beaches of Puerto Rico, including Culebra. * WHEN...From today through Sunday 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...From late today through Sunday, a weak north to northeast swell will build seas between 3 and 5 feet across the Atlantic waters. This will increase the risk of life-threatening rip currents across most exposed beaches along the Atlantic coastline of Puerto Rico.


Rip Current Statement issued November 7 at 9:45AM AST until November 8 at 6:00PM AST by NWS San Juan PR

Effective: Sat November 7, 2026, 9:45 AM
Expires: Sat November 7, 2026, 9:00 PM

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...North-facing beaches of Puerto Rico, including Culebra. * WHEN...Through Sunday 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...From late today through Sunday, a weak north to northeast swell will build seas between 3 and 5 feet across the Atlantic waters. This will increase the risk of life- threatening rip currents across most exposed beaches along the Atlantic coastline of Puerto Rico.
Saturday, November 7, 2026

Weather Forecast

Conditions: Light rain shower
Average Temperature: 77.3°F
Average Humidity: 83%
Chance of Rain: 74%
Wind: 6 mph
UV Index: 8.6

Astronomical

Sun
11h 22m daylight
Sunrise 6:27 AM
Solar Noon 12:08 PM
Sunset 5:49 PM
Moon
Waning Crescent • 1%
Moonrise 4:54 AM
Transit 10:46 AM
Moonset 4:36 PM

Best Times for Fishing or Hunting

Major Periods

10:16 AM - 12:46 PM
10:39 PM - 1:09 AM

Minor Periods

4:24 AM - 5:54 AM
4:06 PM - 5:36 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 77.1°F
Average Humidity: 82%
Chance of Rain: 67%
Wind: 3.8 mph
UV Index: 8.7

Astronomical

Sun
11h 21m daylight
Sunrise 6:28 AM
Solar Noon 12:08 PM
Sunset 5:49 PM
Moon
New • 0%
Moonrise 5:47 AM
Transit 11:32 AM
Moonset 5:15 PM

Best Times for Fishing or Hunting

Major Periods

11:02 AM - 1:32 PM
11:26 PM - 1:56 AM

Minor Periods

5:17 AM - 6:47 AM
4:45 PM - 6:15 PM
Action Rating:
Peak Action 5/5
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 77.4°F
Average Humidity: 83%
Chance of Rain: 70%
Wind: 5.4 mph
UV Index: 8

Astronomical

Sun
11h 20m daylight
Sunrise 6:28 AM
Solar Noon 12:08 PM
Sunset 5:48 PM
Moon
New • 2%
Moonrise 6:41 AM
Transit 12:20 PM
Moonset 5:57 PM

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
11:50 AM - 2:20 PM

Minor Periods

6:11 AM - 7:41 AM
5:27 PM - 6:57 PM
Action Rating:
Peak Action 5/5
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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