Water Temperature of Apra Harbor in Santa Rita, GU

Current Water Temperature

85.8°F 29.9°C
Warm Warm & Relaxing
85.8°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: Wednesday, November 11, 2026, 5:54 PM ChST

Temperature Locations

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Local Points of Interest

Naval Base Guam; Sasa Bay; San Luis Beach; Mariana Islands; Philippine Sea; Pacific Ocean

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Apra Harbor

Station Name: Apra Harbor, Guam
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 13 feet

Sensor Depth: -5 feet

Nearest Address:
San Luis Road
Santa Rita, GU 96910
Sånta Rita-Sumai Municipali County

GPS Coordinates: 13.44339, 144.656361

Nearby Water Temperatures

Philippine Sea, Yigo, GU (19.3 mi)

Weather for Santa Rita, Guam

Current Weather

83.7°F
Clear
Conditions: Clear
Humidity: 76%
Feels Like: 91.8°F
Wind: ENE 7 mph
Wind Gusts: 15.7 mph
Pressure: 29.9 in
Precipitation: 0 in
Cloud Cover: 5%
Visibility: 18.9 mi
UV Index: 0

Weather Forecast

Dense Drizzle
Wed
H: 89°F
L: 80°F
Light Drizzle
Thu
H: 92°F
L: 80°F
Moderate Drizzle
Fri
H: 91°F
L: 81°F
Moderate Drizzle
Sat
H: 91°F
L: 80°F
Light Drizzle
Sun
H: 91°F
L: 80°F

Air Quality

EPA Index 1 • Good

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

PM2.5
6.6 μg/m³
Good
PM10
11.5 μg/m³
Good
Ozone (O3)
35 μg/m³
Photochemical
NO2
0.1 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
105 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 33m daylight
Sunrise 6:19 AM
Solar Noon 12:05 PM
Sunset 5:52 PM
Moon
New • 2%
Moonrise 7:44 AM
Transit 1:28 PM
Moonset 7:11 PM

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
12:58 PM - 3:28 PM

Minor Periods

7:14 AM - 8:44 AM
6:41 PM - 8:11 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Dense Drizzle
Average Temperature: 83.8°F
Average Humidity: 76%
Chance of Rain: 82%
Wind: 9.3 mph
UV Index: 7.3

Air Quality

EPA Index 1 • Good
PM2.5
6.2 μg/m³
Good
PM10
10.7 μg/m³
Good
Ozone (O3)
36.4 μg/m³
Photochemical
NO2
0.1 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
104.6 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 33m daylight
Sunrise 6:19 AM
Solar Noon 12:05 PM
Sunset 5:52 PM
Moon
New • 2%
Moonrise 7:44 AM
Transit 1:28 PM
Moonset 7:11 PM

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
12:58 PM - 3:28 PM

Minor Periods

7:14 AM - 8:44 AM
6:41 PM - 8:11 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 84.7°F
Average Humidity: 73%
Chance of Rain: 62%
Wind: 13.6 mph
UV Index: 7.7

Air Quality

EPA Index 1 • Good
PM2.5
5.3 μg/m³
Good
PM10
9.3 μg/m³
Good
Ozone (O3)
35.9 μg/m³
Photochemical
NO2
0.1 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
105 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 32m daylight
Sunrise 6:19 AM
Solar Noon 12:05 PM
Sunset 5:51 PM
Moon
Waxing Crescent • 6%
Moonrise 8:38 AM
Transit 2:20 PM
Moonset 8:02 PM

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
1:50 PM - 4:20 PM

Minor Periods

8:08 AM - 9:38 AM
7:32 PM - 9:02 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Moderate Drizzle
Average Temperature: 84.6°F
Average Humidity: 74%
Chance of Rain: 89%
Wind: 14.2 mph
UV Index: 7.6

Air Quality

EPA Index 1 • Good
PM2.5
6.3 μg/m³
Good
PM10
11.1 μg/m³
Good
Ozone (O3)
35.6 μg/m³
Photochemical
NO2
0.1 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
103.6 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 32m daylight
Sunrise 6:20 AM
Solar Noon 12:05 PM
Sunset 5:51 PM
Moon
Waxing Crescent • 13%
Moonrise 9:29 AM
Transit 3:11 PM
Moonset 8:55 PM

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
2:41 PM - 5:11 PM

Minor Periods

8:59 AM - 10:29 AM
8:25 PM - 9:55 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Moderate Drizzle
Average Temperature: 84.7°F
Average Humidity: 72%
Chance of Rain: 53%
Wind: 15.8 mph
UV Index: 7.6

Air Quality

EPA Index 1 • Good
PM2.5
8.3 μg/m³
Good
PM10
14.2 μg/m³
Good
Ozone (O3)
45.7 μg/m³
Photochemical
NO2
0 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
107.5 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 31m daylight
Sunrise 6:20 AM
Solar Noon 12:05 PM
Sunset 5:51 PM
Moon
Waxing Crescent • 21%
Moonrise 10:18 AM
Transit 4:01 PM
Moonset 9:46 PM

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
3:31 PM - 6:01 PM

Minor Periods

9:48 AM - 11:18 AM
9:16 PM - 10:46 PM
Action Rating:
Good Action 3/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 84.7°F
Average Humidity: 76%
Chance of Rain: 82%
Wind: 15.3 mph
UV Index: 7.6

Air Quality

EPA Index 1 • Good
PM2.5
7.1 μg/m³
Good
PM10
12.1 μg/m³
Good
Ozone (O3)
49 μg/m³
Photochemical
NO2
0.1 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
104 μg/m³
Carbon Monoxide

Astronomical

Sun
11h 30m daylight
Sunrise 6:21 AM
Solar Noon 12:05 PM
Sunset 5:51 PM
Moon
Waxing Crescent • 31%
Moonrise 11:03 AM
Transit 4:49 PM
Moonset 10:38 PM

Best Times for Fishing or Hunting

Major Periods

3:55 AM - 6:25 AM
4:19 PM - 6:49 PM

Minor Periods

10:33 AM - 12:03 PM
10:08 PM - 11:38 PM
Action Rating:
Good Action 3/5
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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