Mystery Bay, Marrowstone Island, WA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Jul 7 		Partly Cloudy
Close Hourly 		67º / 54º 3% WNW 14 mph 79%
4am Clear 51º 2% SSW 2 mph 93%
5am Mostly Clear 51º 2% SW 2 mph 95%
6am Sunny 51º 2% W 2 mph 95%
7am Mostly Sunny 55º 2% WSW 1 mph 88%
8am Partly Cloudy 56º 2% SW 2 mph 85%
9am Partly Cloudy 58º 2% SE 4 mph 79%
10am Partly Cloudy 60º 1% E 4 mph 76%
11am Partly Cloudy 62º 3% NE 5 mph 73%
12pm Partly Cloudy 62º 2% NNW 6 mph 72%
1pm Mostly Cloudy 63º 2% NNW 8 mph 71%
2pm Mostly Cloudy 64º 2% NW 10 mph 68%
3pm Partly Cloudy 65º 2% NW 10 mph 68%
4pm Partly Cloudy 66º 2% NW 9 mph 67%
5pm Partly Cloudy 66º 3% NW 11 mph 66%
6pm Mostly Cloudy 65º 4% WNW 14 mph 69%
7pm Mostly Cloudy 65º 4% WNW 14 mph 69%
8pm Mostly Cloudy 63º 5% WNW 14 mph 72%
9pm Mostly Cloudy 61º 5% NW 13 mph 77%
10pm Mostly Cloudy 60º 6% NW 10 mph 82%
11pm Partly Cloudy 59º 6% WNW 10 mph 84%
Wed
Jul 8 		Cloudy
View Hourly 		63º / 52º 20% WNW 9 mph 80%
12am Partly Cloudy 58º 6% WNW 9 mph 86%
1am Partly Cloudy 57º 7% WNW 7 mph 90%
2am Partly Cloudy 56º 7% W 5 mph 94%
3am Partly Cloudy 55º 8% W 5 mph 94%
4am Mostly Cloudy 55º 8% W 3 mph 96%
5am Mostly Cloudy 55º 10% WSW 3 mph 96%
6am Mostly Cloudy 55º 10% WNW 3 mph 97%
7am Cloudy 56º 21% W 3 mph 94%
8am Cloudy 58º 15% W 4 mph 90%
9am Cloudy 59º 12% W 5 mph 86%
10am Cloudy 59º 12% W 5 mph 84%
11am Cloudy 60º 18% WNW 6 mph 81%
12pm Cloudy 60º 20% WNW 6 mph 81%
1pm Cloudy 61º 16% NW 6 mph 79%
2pm Cloudy 61º 5% NW 6 mph 77%
3pm Cloudy 62º 4% NW 7 mph 75%
4pm Mostly Cloudy 63º 4% WNW 7 mph 72%
5pm Mostly Cloudy 63º 3% NW 8 mph 68%
6pm Partly Cloudy 62º 3% NW 9 mph 67%
7pm Partly Cloudy 61º 3% WNW 9 mph 67%
8pm Partly Cloudy 60º 4% WNW 10 mph 70%
9pm Partly Cloudy 58º 5% NW 9 mph 74%
10pm Partly Cloudy 56º 5% NW 9 mph 78%
11pm Partly Cloudy 56º 5% WNW 8 mph 80%
Thu
Jul 9 		Partly Cloudy
View Hourly 		66º / 52º 6% WSW 9 mph 70%
12am Mostly Cloudy 55º 5% WNW 7 mph 79%
1am Partly Cloudy 54º 5% WNW 5 mph 81%
2am Mostly Cloudy 54º 5% W 4 mph 84%
3am Mostly Cloudy 53º 5% W 4 mph 86%
Fri
Jul 10 		Partly Cloudy 65º / 52º 18% S 10 mph 76%
Sat
Jul 11 		Partly Cloudy 63º / 50º 24% NW 11 mph 72%
Sun
Jul 12 		Mostly Sunny 67º / 52º 9% NW 11 mph 66%
Mon
Jul 13 		Sunny 71º / 53º 3% NW 10 mph 61%
Tue
Jul 14 		Sunny 72º / 54º 4% NW 9 mph 63%

Weather Radar for Mystery Bay, Marrowstone Island, WA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Mystery Bay, Marrowstone Island, WA

Tuesday
High : 67ºF
Variable winds less than 5 kt becoming NW 5 to 10 kt in the afternoon. Increasing clouds. Waves 1 ft or less.
Tuesday Night
Low : 54ºF
NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.
Wednesday
High : 64ºF
Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. A slight chance of rain before 11am. Waves 1 ft or less.
Wednesday Night
Low : 52ºF
WNW wind 6 to 11 kt. Partly cloudy. Waves 1 ft or less.
Thursday
High : 65ºF
Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Partly sunny. Waves 1 ft or less.
Thursday Night
Low : 52ºF
NW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Friday
High : 64ºF
Variable winds less than 5 kt becoming NW 5 to 7 kt in the afternoon. Partly sunny. Waves 1 ft or less.
Friday Night
Low : 52ºF
W wind 6 to 10 kt. A slight chance of rain. Waves 1 ft or less.
Saturday
High : 63ºF
Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. A slight chance of rain. Waves 1 ft or less.

NOAA Buoy Data Near Mystery Bay, Marrowstone Island, WA See Map

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    Wind Speed Forecast for Mystery Bay, Marrowstone Island, WA

    TuesdayWednesdayThursday
    Wind Speed (MPH) 22691493467107
    11am3pm7pm11pm3am7am11am3pm7pm11pm3am7am
    MPH 22691493467107
    DIR SSWSWNNWNWWNWWNWWWWNWWNWWNWWNW

    Current Weather Conditions In Mystery Bay, Marrowstone Island, WA

    As Of: 18 minutes ago

    • 51ºF
    • 51ºF
    • 2mph
    • 0º (SSW)
    • 2mph
    • Clear
    • 10mi
    • 29.99"
    • 93%
    • 0ºF

    The weather right now in Mystery Bay, Marrowstone Island, WA is Clear. The current temperature is 51°F, and the expected high and low for today, Tuesday, July 7, 2026, are 67° high temperature and 54°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the South Southwest. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 51° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 93 percent, and air pressure at 29.99 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 1:44am Tue Jul 7 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 3 AM PDT WEDNESDAY...

    WHAT: Northwest winds 15 to 20 kt with gusts up to 25 kt.

    WHERE: Admiralty Inlet.

    WHEN: From 1 PM this afternoon to 3 AM PDT Wednesday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    A Small Craft Advisory means that wind speeds of 21 to 33 knots
    and/or seas 10 feet or higher are expected to produce hazardous
    wave conditions to small craft. Inexperienced mariners,
    especially those operating smaller vessels should avoid
    navigating in these conditions.

    &&