Water Temperature of Apra Harbor in Santa Rita, GU

Current Water Temperature

84.6°F

Measurement Time: Wednesday, September 30, 2026, 2:12 AM ChST

Today's Tides

Low: September 30, 3:36 AM, -0.1 ft
 High: September 30, 10:23 AM, 2.3 ft
Low: September 30, 3:55 PM, 1.3 ft
 High: September 30, 9:10 PM, 2.4 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

86°F
Isolated Rain Showers
Isolated Rain Showers
74%
W 10 mph
77°F

Weather Forecast

Isolated Rain Showers
Overnight
86°F - Isolated Rain Showers
Scattered Rain Showers
Wednesday
87°F - Scattered Rain Showers
Scattered Rain Showers
Wednesday Night
86°F - Scattered Rain Showers
Scattered Rain Showers
Thursday
87°F - Scattered Rain Showers
Scattered Rain Showers
Thursday Night
85°F - Scattered Rain Showers
Chance Showers And Thunderstorms
Friday
86°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Friday Night
84°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Saturday
85°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Saturday Night
84°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday
85°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday Night
84°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday
85°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday Night
84°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday
85°F - Chance Showers And Thunderstorms

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:11 AM
Sunset: 6:12 PM
Daylight: 12 hrs 1 mins
Moonrise: 8:50 PM
Moon Transit: 2:32 AM
Moonset: 9:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

2:02 AM - 4:32 AM
12:00 AM - 12:00 AM

Minor Periods

8:20 PM - 9:50 PM
8:39 AM - 10:09 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:11 AM
Sunset: 6:12 PM
Daylight: 12 hrs 1 mins
Moonrise: 8:50 PM
Moon Transit: 2:32 AM
Moonset: 9:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

2:02 AM - 4:32 AM
12:00 AM - 12:00 AM

Minor Periods

8:20 PM - 9:50 PM
8:39 AM - 10:09 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:11 AM
Sunset: 6:12 PM
Daylight: 12 hrs 1 mins
Moonrise: 8:50 PM
Moon Transit: 2:32 AM
Moonset: 9:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

2:02 AM - 4:32 AM
12:00 AM - 12:00 AM

Minor Periods

8:20 PM - 9:50 PM
8:39 AM - 10:09 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:11 AM
Sunset: 6:12 PM
Daylight: 12 hrs 1 mins
Moonrise: 8:50 PM
Moon Transit: 2:32 AM
Moonset: 9:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

2:02 AM - 4:32 AM
12:00 AM - 12:00 AM

Minor Periods

8:20 PM - 9:50 PM
8:39 AM - 10:09 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:11 AM
Sunset: 6:12 PM
Daylight: 12 hrs 1 mins
Moonrise: 9:47 PM
Moon Transit: 3:30 AM
Moonset: 10:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
12:00 AM - 12:00 AM

Minor Periods

9:17 PM - 10:47 PM
9:43 AM - 11:13 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:11 AM
Sunset: 6:12 PM
Daylight: 12 hrs 1 mins
Moonrise: 9:47 PM
Moon Transit: 3:30 AM
Moonset: 10:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
12:00 AM - 12:00 AM

Minor Periods

9:17 PM - 10:47 PM
9:43 AM - 11:13 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:10 AM
Sunset: 6:11 PM
Daylight: 12 hrs mins
Moonrise: 10:49 PM
Moon Transit: 4:31 AM
Moonset: 11:16 AM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

4:01 AM - 6:31 AM
12:00 AM - 12:00 AM

Minor Periods

10:19 PM - 11:49 PM
10:46 AM - 12:16 AM

Action Rating: 3 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:10 AM
Sunset: 6:11 PM
Daylight: 12 hrs mins
Moonrise: 10:49 PM
Moon Transit: 4:31 AM
Moonset: 11:16 AM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

4:01 AM - 6:31 AM
12:00 AM - 12:00 AM

Minor Periods

10:19 PM - 11:49 PM
10:46 AM - 12:16 AM

Action Rating: 3 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:10 AM
Sunset: 6:10 PM
Daylight: 11 hrs 59 mins
Moonrise: 11:52 PM
Moon Transit: 5:34 AM
Moonset: 12:19 AM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
12:09 AM - 2:39 AM

Minor Periods

12:00 AM - 12:00 AM
11:49 AM - 1:19 PM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:10 AM
Sunset: 6:10 PM
Daylight: 11 hrs 59 mins
Moonrise: 11:52 PM
Moon Transit: 5:34 AM
Moonset: 12:19 AM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
12:09 AM - 2:39 AM

Minor Periods

12:00 AM - 12:00 AM
11:49 AM - 1:19 PM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:10 AM
Sunset: 6:09 PM
Daylight: 11 hrs 58 mins
Moonrise: 12:52 AM
Moon Transit: 6:36 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
1:11 AM - 3:41 AM

Minor Periods

12:48 AM - 2:18 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:10 AM
Sunset: 6:09 PM
Daylight: 11 hrs 58 mins
Moonrise: 12:52 AM
Moon Transit: 6:36 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
1:11 AM - 3:41 AM

Minor Periods

12:48 AM - 2:18 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:09 AM
Sunset: 6:09 PM
Daylight: 11 hrs 58 mins
Moonrise: 12:56 AM
Moon Transit: 7:34 AM
Moonset: 2:11 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
2:10 AM - 4:40 AM

Minor Periods

1:41 PM - 3:11 PM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:09 AM
Sunset: 6:09 PM
Daylight: 11 hrs 58 mins
Moonrise: 12:56 AM
Moon Transit: 7:34 AM
Moonset: 2:11 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
2:10 AM - 4:40 AM

Minor Periods

1:41 PM - 3:11 PM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Thursday, January 1, 1970

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:11 AM
Sun Transit: 12:09 AM
Sunset: 6:08 PM
Daylight: 11 hrs 57 mins
Moonrise: 1:56 AM
Moon Transit: 8:29 AM
Moonset: 2:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

7:59 AM - 10:29 AM
3:05 AM - 5:35 AM

Minor Periods

2:28 PM - 3:58 PM
1:26 AM - 2:56 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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