For More Weather Information:

Tiyan, GU Local Forecast Office

20NM WNW Apra Harbor GU

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NE wind 9 to 11 kt. Scattered showers.   Waves around 3 ft.

      Low: 85 °F

      NE 11kt
      3ft

    • Friday

      Friday:NE wind around 9 kt. Mostly sunny. Waves around 3 ft.

      High: 87 °F

      NE 9kt
      3ft

    • Friday Night

      Friday Night:NNE wind around 10 kt. Partly cloudy. Waves around 3 ft.

      Low: 85 °F

      NNE 10kt
      3ft

    • Independence Day

      Independence Day:N wind 9 to 12 kt. Scattered showers and thunderstorms after noon.   Waves around 5 ft.

      High: 87 °F

      N 12kt
      5ft

    • Saturday Night

      Saturday Night:N wind 12 to 15 kt. Partly cloudy. Waves around 8 ft.

      Low: 85 °F

      N 15kt
      8ft

    • Sunday

      Sunday:N wind 16 to 22 kt, with gusts as high as 30 kt. Scattered showers and thunderstorms.   Waves around 9 ft.

      High: 86 °F

      N 22kt
      9ft

    • Sunday Night

      Sunday Night:NW wind 23 to 28 kt increasing to 35 to 40 kt after midnight. Winds could gust as high as 55 kt. Scattered showers and thunderstorms.   Waves around 23 ft.

      Low: 85 °F

      ⇑NW 40kt
      23ft

    • Monday

      Monday:NW wind 42 to 47 kt becoming W 50 to 55 kt in the afternoon. Winds could gust as high as 70 kt. Scattered showers and thunderstorms.   Waves around 27 ft.

      High: 86 °F

      ⇑W 55kt
      27ft

    • Monday Night

      Monday Night:SSW wind 45 to 50 kt decreasing to 37 to 42 kt after midnight. Winds could gust as high as 70 kt. Scattered showers and thunderstorms.   Waves around 24 ft.

      Low: 84 °F

      SSW 50kt⇓
      24ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:06 pm ChST Jul 2, 2026
Forecast Valid: 11pm ChST Jul 2, 2026-6pm ChST Jul 9, 2026

View Nearby Observations

Detailed Forecast

...HEAVY SHOWERS, DAMAGING WINDS, AND DANGEROUS SEAS ANTICIPATED

Overnight
NE wind 9 to 11 kt. Scattered showers. Waves around 3 ft.
Friday
NE wind around 9 kt. Mostly sunny. Waves around 3 ft.
Friday Night
NNE wind around 10 kt. Partly cloudy. Waves around 3 ft.
Independence Day
N wind 9 to 12 kt. Scattered showers and thunderstorms after noon. Waves around 5 ft.
Saturday Night
N wind 12 to 15 kt. Partly cloudy. Waves around 8 ft.
Sunday
N wind 16 to 22 kt, with gusts as high as 30 kt. Scattered showers and thunderstorms. Waves around 9 ft.
Sunday Night
NW wind 23 to 28 kt increasing to 35 to 40 kt after midnight. Winds could gust as high as 55 kt. Scattered showers and thunderstorms. Waves around 23 ft.
Monday
NW wind 42 to 47 kt becoming W 50 to 55 kt in the afternoon. Winds could gust as high as 70 kt. Scattered showers and thunderstorms. Waves around 27 ft.
Monday Night
SSW wind 45 to 50 kt decreasing to 37 to 42 kt after midnight. Winds could gust as high as 70 kt. Scattered showers and thunderstorms. Waves around 24 ft.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 13.54°N 144.33°E
Last Update: 6:06 pm ChST Jul 2, 2026
Forecast Valid: 11pm ChST Jul 2, 2026-6pm ChST Jul 9, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data