Water Temperature of Apra Harbor in Santa Rita, GU

Current Water Temperature

84.6°F

Measurement Time: Monday, January 26, 2026, 6:48 PM ChST

Today's Tides

 High: January 26, 12:55 AM, 1.6 ft
Low: January 26, 6:18 AM, 0.9 ft
 High: January 26, 12:33 PM, 2.2 ft
Low: January 26, 7:57 PM, 0.0 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

81.1°F
Light rain
Light rain
89.5°F
82.9°F
84%
E 13 mph
17.6 mph
77.8°F
73.8°F
0.02 in
50%
6 mi
1013 mbar
0

Five Day Weather Forecast

Moderate rain
Mon
H: 81°F
L: 78°F
Moderate rain
Tue
H: 83°F
L: 79°F
Moderate rain
Wed
H: 82°F
L: 79°F
Patchy rain nearby
Thu
H: 83°F
L: 79°F
Patchy rain nearby
Fri
H: 83°F
L: 80°F

Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 3.45 μg/m3
Carbon Monoxide: 89.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:33 AM
Sunset: 6:19 PM
Daylight: 11 hrs 30 mins
Moonrise: 11:46 AM
Moon Transit: 6:16 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 PM
5:46 PM - 8:16 PM

Minor Periods

11:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Rip Current Statement issued January 26 at 3:39PM ChST until January 29 at 6:00AM ChST by NWS Tiyan GU

Effective: Mon January 26, 2026, 3:39 PM
Expires: Tue January 27, 2026, 8:00 AM

* WHAT...Large breaking waves of 6 to 8 feet, increasing to 7 to 10 feet Tuesday. Dangerous rip currents. * WHERE...North and west facing reefs of the Marianas. * WHEN...Until 6 AM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Surf along north and west facing reefs decreases below hazardous levels tonight, but another pulse of north to northwest swell arrives early Tuesday morning, allowing surf to increase back up to hazardous levels of 9 feet. Surf along west facing reefs may decrease below hazardous levels Tuesday night or Wednesday, but hazardous surf along north facing reefs is expected to continue through late Wednesday night.

Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Rip currents will be life threatening. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


High Surf Advisory issued January 26 at 3:39PM ChST until January 29 at 6:00AM ChST by NWS Tiyan GU

Effective: Mon January 26, 2026, 3:39 PM
Expires: Tue January 27, 2026, 8:00 AM

* WHAT...Large breaking waves of 6 to 8 feet, increasing to 7 to 10 feet Tuesday. Dangerous rip currents. * WHERE...North and west facing reefs of the Marianas. * WHEN...Until 6 AM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Surf along north and west facing reefs decreases below hazardous levels tonight, but another pulse of north to northwest swell arrives early Tuesday morning, allowing surf to increase back up to hazardous levels of 9 feet. Surf along west facing reefs may decrease below hazardous levels Tuesday night or Wednesday, but hazardous surf along north facing reefs is expected to continue through late Wednesday night.

Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Rip currents will be life threatening. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Monday, January 26, 2026

Weather Forecast

Moderate rain
81.2°F
77.8°F
79.6°F
83%
0.57 in
99%
0%
14.1 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 3.19 μg/m3
PM10: 4.21 μg/m3
Carbon Monoxide: 90.29 μg/m3
Nitrogen Dioxide: 1.13 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 31.96 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:33 AM
Sunset: 6:19 PM
Daylight: 11 hrs 30 mins
Moonrise: 11:46 AM
Moon Transit: 6:16 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 PM
5:46 PM - 8:16 PM

Minor Periods

11:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, January 27, 2026

Weather Forecast

Moderate rain
82.6°F
78.9°F
80.4°F
79%
0.27 in
89%
0%
13.9 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 90.57 μg/m3
Nitrogen Dioxide: 1.02 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 30.28 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:34 AM
Sunset: 6:20 PM
Daylight: 11 hrs 31 mins
Moonrise: 12:35 AM
Moon Transit: 7:11 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

1:47 PM - 4:17 PM
6:41 PM - 9:11 PM

Minor Periods

12:05 AM - 1:35 PM
12:20 AM - 1:50 AM

Action Rating: 3 out of 5

Wednesday, January 28, 2026

Weather Forecast

Moderate rain
82.1°F
78.7°F
80.1°F
81%
0.72 in
89%
0%
13.9 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 4.7 μg/m3
PM10: 7.07 μg/m3
Carbon Monoxide: 96.49 μg/m3
Nitrogen Dioxide: 1.02 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 43.56 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:34 AM
Sunset: 6:20 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:29 PM
Moon Transit: 8:11 PM
Moonset: 1:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

2:46 PM - 5:16 PM
7:41 PM - 10:11 PM

Minor Periods

12:59 AM - 2:29 PM
1:21 AM - 2:51 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Patchy rain nearby
83.1°F
78.7°F
80.8°F
78%
0.06 in
87%
0%
11.9 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 4.31 μg/m3
PM10: 6.22 μg/m3
Carbon Monoxide: 99.25 μg/m3
Nitrogen Dioxide: 1.07 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 39.24 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:34 AM
Sunset: 6:21 PM
Daylight: 11 hrs 32 mins
Moonrise: 2:29 PM
Moon Transit: 9:15 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

3:49 PM - 6:19 PM
8:45 PM - 11:15 PM

Minor Periods

1:59 PM - 3:29 PM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Friday, January 30, 2026

Weather Forecast

Patchy rain nearby
83°F
79.5°F
81.1°F
79%
0.06 in
89%
0%
15 mph
2.6


Air Quality

AQI: 1 - Good
PM2.5: 4.27 μg/m3
PM10: 6.43 μg/m3
Carbon Monoxide: 112.63 μg/m3
Nitrogen Dioxide: 0.99 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 43.23 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:34 AM
Sunset: 6:21 PM
Daylight: 11 hrs 32 mins
Moonrise: 3:34 PM
Moon Transit: 10:20 PM
Moonset: 4:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

4:54 PM - 7:24 PM
12:00 AM - 12:00 AM

Minor Periods

3:04 PM - 4:34 PM
3:32 AM - 5:02 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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