Water Temperature of Apra Harbor in Santa Rita, GU

Current Water Temperature

84.7°F

Measurement Time: Tuesday, October 6, 2026, 6:48 AM ChST

Today's Tides

 High: October 6, 2:35 AM, 2.0 ft
Low: October 6, 10:01 AM, 0.0 ft
 High: October 6, 5:23 PM, 2.3 ft
Low: October 6, 11:05 PM, 1.3 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

84°F
Scattered Rain Showers
Scattered Rain Showers
83%
SW 10 mph
78°F

Weather Forecast

Scattered Rain Showers
Today
85°F - Scattered Rain Showers
Chance Showers And Thunderstorms
Tonight
84°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday
85°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday Night
84°F - Chance Showers And Thunderstorms
Scattered Showers And Thunderstorms
Thursday
85°F - Scattered Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday Night
84°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Friday
85°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Friday Night
83°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday
85°F - Chance Showers And Thunderstorms
Chance Rain Showers
Saturday Night
83°F - Chance Rain Showers
Chance Rain Showers
Sunday
85°F - Chance Rain Showers
Chance Rain Showers
Sunday Night
83°F - Chance Rain Showers
Chance Rain Showers
Columbus Day
85°F - Chance Rain Showers
Slight Chance Showers And Thunderstorms
Monday Night
83°F - Slight Chance Showers And Thunderstorms

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

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

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

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: 6:07 PM
Daylight: 11 hrs 56 mins
Moonrise: 2:54 AM
Moon Transit: 9:19 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
3:57 AM - 6:27 AM

Minor Periods

3:11 PM - 4:41 PM
2:24 AM - 3:54 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: 6:07 PM
Daylight: 11 hrs 56 mins
Moonrise: 2:54 AM
Moon Transit: 9:19 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
3:57 AM - 6:27 AM

Minor Periods

3:11 PM - 4:41 PM
2:24 AM - 3:54 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: 6:07 PM
Daylight: 11 hrs 55 mins
Moonrise: 3:48 AM
Moon Transit: 10:06 AM
Moonset: 4:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
9:36 AM - 12:06 AM

Minor Periods

3:52 PM - 5:22 PM
3:18 AM - 4:48 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: 6:07 PM
Daylight: 11 hrs 55 mins
Moonrise: 3:48 AM
Moon Transit: 10:06 AM
Moonset: 4:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

4:44 AM - 7:14 AM
9:36 AM - 12:06 AM

Minor Periods

3:52 PM - 5:22 PM
3:18 AM - 4:48 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: 12:08 AM
Sunset: 6:06 PM
Daylight: 11 hrs 55 mins
Moonrise: 4:41 AM
Moon Transit: 10:52 AM
Moonset: 5:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
10:22 AM - 12:52 AM

Minor Periods

4:31 PM - 6:01 PM
4:11 AM - 5:41 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: 12:08 AM
Sunset: 6:06 PM
Daylight: 11 hrs 55 mins
Moonrise: 4:41 AM
Moon Transit: 10:52 AM
Moonset: 5:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
10:22 AM - 12:52 AM

Minor Periods

4:31 PM - 6:01 PM
4:11 AM - 5:41 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: 12:08 AM
Sunset: 6:06 PM
Daylight: 11 hrs 54 mins
Moonrise: 5:31 AM
Moon Transit: 11:36 AM
Moonset: 5:39 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
11:06 AM - 1:36 PM

Minor Periods

5:09 PM - 6:39 PM
5:01 AM - 6:31 AM

Action Rating: 5 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: 12:08 AM
Sunset: 6:06 PM
Daylight: 11 hrs 54 mins
Moonrise: 5:31 AM
Moon Transit: 11:36 AM
Moonset: 5:39 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
11:06 AM - 1:36 PM

Minor Periods

5:09 PM - 6:39 PM
5:01 AM - 6:31 AM

Action Rating: 5 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: 6:12 AM
Sun Transit: 12:08 AM
Sunset: 6:05 PM
Daylight: 11 hrs 53 mins
Moonrise: 6:22 AM
Moon Transit: 12:21 AM
Moonset: 6:18 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
11:51 AM - 2:21 PM

Minor Periods

5:48 PM - 7:18 PM
5:52 AM - 7:22 AM

Action Rating: 5 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: 6:12 AM
Sun Transit: 12:08 AM
Sunset: 6:05 PM
Daylight: 11 hrs 53 mins
Moonrise: 6:22 AM
Moon Transit: 12:21 AM
Moonset: 6:18 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
11:51 AM - 2:21 PM

Minor Periods

5:48 PM - 7:18 PM
5:52 AM - 7:22 AM

Action Rating: 5 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: 6:12 AM
Sun Transit: 12:07 AM
Sunset: 6:04 PM
Daylight: 11 hrs 53 mins
Moonrise: 7:14 AM
Moon Transit: 1:07 PM
Moonset: 6:59 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
12:37 AM - 3:07 PM

Minor Periods

6:29 PM - 7:59 PM
6:44 AM - 8:14 AM

Action Rating: 4 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: 6:12 AM
Sun Transit: 12:07 AM
Sunset: 6:04 PM
Daylight: 11 hrs 53 mins
Moonrise: 7:14 AM
Moon Transit: 1:07 PM
Moonset: 6:59 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
12:37 AM - 3:07 PM

Minor Periods

6:29 PM - 7:59 PM
6:44 AM - 8:14 AM

Action Rating: 4 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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