Water Temperature of Apra Harbor in Santa Rita, GU

Current Water Temperature

83.3°F

Measurement Time: Sunday, October 18, 2026, 12:06 PM ChST

Today's Tides

Low: October 18, 6:27 AM, 0.1 ft
 High: October 18, 2:55 PM, 1.9 ft
Low: October 18, 8:19 PM, 1.6 ft
 High: October 18, 11:25 PM, 1.7 ft

Temperature Locations

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Local Points of Interest

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

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

77.5°F
Light rain
Conditions: Light rain
Humidity: 91%
Feels Like: 64.8°F
Wind: SSE 45 mph
Wind Gusts: 59.5 mph
Pressure: 29.51 in
Precipitation: 0.07 in
Cloud Cover: 100%
Visibility: 5 mi
UV Index: 1.8

Weather Forecast

Light rain
Sun
H: 81°F
L: 77°F
Light rain shower
Mon
H: 80°F
L: 77°F
Thundery outbreaks in nearby
Tue
H: 84°F
L: 77°F

Air Quality

PM2.5: 6.1 μg/m3
PM10: 10.2 μg/m3
Carbon Monoxide: 104 μg/m3
Nitrogen Dioxide: 0.1 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 42 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:06 AM
Sunset: 6:01 PM
Daylight: 11 hrs 48 mins
Moonrise: 12:24 AM
Moon Transit: 6:08 PM
Moonset: 12:02 AM
Moon Phase: First Quarter
Moon Illumination: 48.3%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
5:38 PM - 8:08 PM

Minor Periods

11:54 AM - 1:24 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, October 18, 2026

Weather Forecast

Conditions: Light rain
Average Temperature: 78°F
Average Humidity: 91%
Chance of Rain: 92%
Wind: 90.4 mph
UV Index: 1.8

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: 6:12 AM
Sun Transit: 12:06 AM
Sunset: 6:01 PM
Daylight: 11 hrs 48 mins
Moonrise: 12:24 AM
Moon Transit: 6:08 PM
Moonset: 12:02 AM
Moon Phase: First Quarter
Moon Illumination: 48.3%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
5:38 PM - 8:08 PM

Minor Periods

11:54 AM - 1:24 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, October 19, 2026

Weather Forecast

Conditions: Light rain shower
Average Temperature: 78.6°F
Average Humidity: 87%
Chance of Rain: 91%
Wind: 32 mph
UV Index: 2

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: 6:13 AM
Sun Transit: 12:06 AM
Sunset: 6:00 PM
Daylight: 11 hrs 48 mins
Moonrise: 1:08 PM
Moon Transit: 6:55 PM
Moonset: 12:54 AM
Moon Phase: First Quarter
Moon Illumination: 59.6%

Best Times for Fishing or Hunting

Major Periods

1:33 PM - 4:03 PM
6:25 PM - 8:55 PM

Minor Periods

12:38 AM - 2:08 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, October 20, 2026

Weather Forecast

Conditions: Thundery outbreaks in nearby
Average Temperature: 80.8°F
Average Humidity: 84%
Chance of Rain: 80%
Wind: 14.5 mph
UV Index: 11

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: 6:13 AM
Sun Transit: 12:06 AM
Sunset: 6:00 PM
Daylight: 11 hrs 47 mins
Moonrise: 1:49 PM
Moon Transit: 7:41 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 70.4%

Best Times for Fishing or Hunting

Major Periods

2:19 PM - 4:49 PM
7:11 PM - 9:41 PM

Minor Periods

1:19 PM - 2:49 PM
12:16 AM - 1:46 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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