National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Portland, OR Local Forecast Office

6NM N Cape Lookout OR

Marine Point Forecast

[NOTICE]

    • Today

      Today:W wind 8 to 10 kt. Showers likely, mainly before 2pm. Mixed swell...WNW 5 ft at 9 seconds and SW 1 ft at 14 seconds. Wind waves 1 to 2 ft.

      W 10kt
      5ft

    • Tonight

      Tonight:SW wind 6 to 11 kt. A chance of showers, mainly after 1am. Mixed swell...WNW 5 ft at 9 seconds and SW 1 ft at 14 seconds. Wind waves 1 to 2 ft.

      SW 11kt
      5ft

    • Tuesday

      Tuesday:SSW wind 14 to 19 kt increasing to 26 to 31 kt in the afternoon. Rain. Mixed swell...WNW 5 ft at 9 seconds and SW 1 ft at 14 seconds. Wind waves 3 ft building to 7 ft.

      ⇑SSW 31kt
      Waves Building9ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:SSW wind 29 to 34 kt becoming NW 19 to 24 kt after midnight. Rain. Mixed swell...WNW 9 ft and SW 1 ft. Wind waves 8 ft subsiding to 3 ft.

      SSW 34kt⇓
      9-11ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NNW wind 13 to 17 kt becoming WNW in the afternoon. Rain before 2pm, then rain and possibly a thunderstorm between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Mixed swell...WNW 7 to 8 ft and SW 1 ft. Wind waves 2 to 3 ft.

      WNW 17kt
      7-9ft

    • Wednesday Night

      Wednesday Night:NW wind 11 to 20 kt. Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Mixed swell...WNW 9 ft and SW 1 ft. Wind waves 2 to 4 ft.

      NW 20kt
      9-10ft

    • Thursday

      Thursday:NNW wind 7 to 11 kt. Rain likely, mainly before 11am. Mixed swell...WNW 7 to 8 ft and SW 1 ft. Wind waves 1 to 2 ft.

      NNW 11kt
      7-8ft

    • Thursday Night

      Thursday Night:NNW wind 5 to 11 kt. A chance of rain. Mixed swell...WNW 6 to 7 ft and SW 1 ft. Wind waves 1 to 2 ft.

      NNW 11kt
      6-7ft

    • Friday

      Friday:Variable winds less than 5 kt becoming NW 5 to 8 kt in the afternoon. Partly sunny. Mixed swell...NW 5 ft and SW 1 ft. Wind waves around 1 ft.

      ⇑NW 8kt
      5ft


Associated Zone Forecast which includes this point

Last Update: 7:41 am PDT Apr 13, 2026
Forecast Valid: 8am PDT Apr 13, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH

Today
W wind 8 to 10 kt. Showers likely, mainly before 2pm. Mixed swell...WNW 5 ft at 9 seconds and SW 1 ft at 14 seconds. Wind waves 1 to 2 ft.
Tonight
SW wind 6 to 11 kt. A chance of showers, mainly after 1am. Mixed swell...WNW 5 ft at 9 seconds and SW 1 ft at 14 seconds. Wind waves 1 to 2 ft.
Tuesday
SSW wind 14 to 19 kt increasing to 26 to 31 kt in the afternoon. Rain. Mixed swell...WNW 5 ft at 9 seconds and SW 1 ft at 14 seconds. Wind waves 3 ft building to 7 ft.
Tuesday Night
SSW wind 29 to 34 kt becoming NW 19 to 24 kt after midnight. Rain. Mixed swell...WNW 9 ft and SW 1 ft. Wind waves 8 ft subsiding to 3 ft.
Wednesday
NNW wind 13 to 17 kt becoming WNW in the afternoon. Rain before 2pm, then rain and possibly a thunderstorm between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Mixed swell...WNW 7 to 8 ft and SW 1 ft. Wind waves 2 to 3 ft.
Wednesday Night
NW wind 11 to 20 kt. Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Mixed swell...WNW 9 ft and SW 1 ft. Wind waves 2 to 4 ft.
Thursday
NNW wind 7 to 11 kt. Rain likely, mainly before 11am. Mixed swell...WNW 7 to 8 ft and SW 1 ft. Wind waves 1 to 2 ft.
Thursday Night
NNW wind 5 to 11 kt. A chance of rain. Mixed swell...WNW 6 to 7 ft and SW 1 ft. Wind waves 1 to 2 ft.
Friday
Variable winds less than 5 kt becoming NW 5 to 8 kt in the afternoon. Partly sunny. Mixed swell...NW 5 ft and SW 1 ft. Wind waves around 1 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.
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ABOUT THIS FORECAST

Point Forecast: 45.44°N 123.98°W
Last Update: 7:41 am PDT Apr 13, 2026
Forecast Valid: 8am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
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