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

Day	Sky	High / Low	Precip	Wind	Humidity
Mon Sep 28	Mostly Cloudy Close Hourly	64º / 55º	4%	SE 7 mph	69%
8am	Mostly Sunny	49º	3%	SSE 2 mph	88%
9am	Mostly Sunny	52º	2%	SSE 4 mph	82%
10am	Partly Cloudy	55º	2%	SSE 4 mph	74%
11am	Partly Cloudy	57º	2%	SSE 6 mph	70%
12pm	Partly Cloudy	58º	1%	SE 7 mph	66%
1pm	Partly Cloudy	59º	1%	SE 7 mph	64%
2pm	Partly Cloudy	62º	1%	SE 6 mph	58%
3pm	Partly Cloudy	62º	1%	SE 6 mph	56%
4pm	Cloudy	63º	1%	SE 6 mph	55%
5pm	Cloudy	62º	3%	ESE 5 mph	58%
6pm	Cloudy	61º	4%	E 6 mph	62%
7pm	Cloudy	59º	4%	SE 5 mph	66%
8pm	Cloudy	58º	5%	SE 6 mph	72%
9pm	Cloudy	57º	7%	SSE 9 mph	73%
10pm	Cloudy	57º	10%	SSE 12 mph	76%
11pm	Cloudy	57º	20%	SSE 15 mph	77%
Tue Sep 29	Showers View Hourly	60º / 47º	60%	SW 15 mph	81%
12am	Cloudy	57º	15%	SSE 16 mph	78%
1am	Cloudy	56º	12%	SSE 18 mph	80%
2am	Cloudy	56º	17%	SSE 18 mph	81%
3am	Cloudy	56º	16%	SSE 18 mph	83%
4am	Cloudy	57º	24%	SSE 18 mph	84%
5am	Few Showers	57º	32%	SSE 17 mph	84%
6am	Cloudy	57º	24%	SSE 16 mph	85%
7am	Cloudy	57º	24%	S 15 mph	86%
8am	Showers	57º	36%	S 12 mph	88%
9am	Showers	58º	59%	S 11 mph	88%
10am	Light Rain	59º	61%	S 10 mph	86%
11am	Light Rain	60º	60%	SSW 10 mph	82%
12pm	Showers	60º	46%	SSW 9 mph	83%
1pm	Showers	60º	42%	SW 9 mph	81%
2pm	Showers	60º	41%	W 9 mph	80%
3pm	Cloudy	59º	24%	W 8 mph	79%
4pm	Cloudy	60º	19%	WNW 9 mph	77%
5pm	Mostly Cloudy	60º	8%	WNW 8 mph	73%
6pm	Partly Cloudy	59º	12%	WNW 9 mph	74%
7pm	Partly Cloudy	57º	9%	WNW 8 mph	78%
8pm	Partly Cloudy	55º	11%	WNW 6 mph	83%
9pm	Partly Cloudy	53º	10%	WNW 5 mph	83%
10pm	Mostly Clear	52º	7%	WNW 6 mph	87%
11pm	Mostly Clear	51º	9%	WNW 5 mph	88%
Wed Sep 30	Partly Cloudy View Hourly	62º / 50º	7%	NNW 8 mph	71%
12am	Partly Cloudy	50º	20%	WNW 5 mph	89%
1am	Partly Cloudy	50º	20%	WSW 5 mph	89%
2am	Partly Cloudy	49º	20%	W 4 mph	90%
3am	Partly Cloudy	49º	7%	WSW 3 mph	91%
4am	Partly Cloudy	49º	8%	W 2 mph	93%
5am	Partly Cloudy	49º	8%	W 3 mph	92%
6am	Partly Cloudy	49º	8%	SW 2 mph	92%
7am	Partly Cloudy	48º	8%	SSE 2 mph	93%
Thu Oct 1	Mostly Cloudy	62º / 51º	15%	NW 7 mph	72%
Fri Oct 2	Partly Cloudy	62º / 50º	20%	NW 7 mph	78%
Sat Oct 3	Partly Cloudy	63º / 51º	7%	NW 10 mph	75%
Sun Oct 4	Mostly Sunny	65º / 50º	5%	NW 8 mph	72%
Mon Oct 5	Partly Cloudy	64º / 50º	6%	W 6 mph	74%

Buoy Data
For Mystery Bay, Marrowstone Island, WA
Wind Forecast
In Mystery Bay, Marrowstone Island, WA
Radar
In Mystery Bay, Marrowstone Island, WA
Marine Forecast
In Mystery Bay, Marrowstone Island, WA

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

Today

High : 62ºF
SSE wind 5 to 7 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

Tonight

Low : 55ºF
Variable winds less than 5 kt becoming SSE 16 to 21 kt in the evening. Winds could gust as high as 29 kt. Rain likely, mainly after 5am. Waves 1 ft or less.

Tuesday

High : 59ºF
S wind 14 to 19 kt decreasing to 7 to 12 kt in the afternoon. Winds could gust as high as 27 kt. Rain, mainly before 2pm. Waves 1 ft or less.

Tuesday Night

Low : 50ºF
W wind 7 to 10 kt. A chance of rain before 11pm. Waves 1 ft or less.

Wednesday

High : 59ºF
Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Wednesday Night

Low : 50ºF
NNW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Thursday

High : 61ºF
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 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Friday

High : 61ºF
Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Current Weather Conditions In Mystery Bay, Marrowstone Island, WA

As Of: 43 minutes ago

Temperature: 49ºF
Feels Like: 49ºF

Wind Speed: 2mph
Direction: 0º (SSE)
Gusts: 2mph

Cloud Cover: Mostly Sunny
Visibility: 10mi

Pressure: 30.04"
Humidity: 88%
Dew Point: 0ºF

The weather right now in Mystery Bay, Marrowstone Island, WA is Mostly Sunny. The current temperature is 49°F, and the expected high and low for today, Monday, September 28, 2026, are 64° high temperature and 55°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the South Southeast. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 49° Fahrenheit. Expected precipitation is 3 percent, with current humidity at 88 percent, and air pressure at 30.04 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).