Tides Today & Tomorrow in Mystery Bay, Marrowstone Island, WA

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in Mystery Bay, Marrowstone Island, WA.
Next low tide : in 3h 52m at 1:40 pm (-1.0 ft)
Next high tide : 9:09 pm (8.4 ft)
Sunset today : 9:13 pm
Sunrise tomorrow : 5:16 am
Moon phase : Waning Gibbous (87% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - Feb 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:168.01:167.49:206.59:120.17:385:09Waxing Gibbous1Thu
2Fri4:478.22:057.39:586.39:460.07:375:11Full Moon2Fri
3Sat5:138.32:527.310:316.010:190.07:365:12Full Moon3Sat
4Sun5:358.33:377.311:035.710:520.17:345:14Full Moon4Sun
5Mon5:548.44:227.211:365.211:250.47:335:16Full Moon5Mon
6Tue6:148.55:087.012:134.77:315:17Waning Gibbous6Tue
7Wed6:388.55:576.712:514.17:305:19Waning Gibbous7Wed
8Thu7:048.66:506.412:331.41:333.57:285:20Waning Gibbous8Thu
9Fri7:348.57:516.11:092.22:182.87:275:22Waning Gibbous9Fri
10Sat8:068.49:045.81:473.13:082.17:255:24Third Quarter10Sat
11Sun8:418.310:405.82:304.14:021.47:245:25Third Quarter11Sun
12Mon9:198.23:225.05:000.77:225:27Third Quarter12Mon
13Tue12:406.210:04 AM8.14:335.96:010.17:215:29Third Quarter13Tue
14Wed2:016.910:59 AM8.06:006.37:00-0.57:195:30Waning Crescent14Wed
15Thu2:527.512:018.07:206.37:56-1.07:175:32Waning Crescent15Thu
16Fri3:338.01:088.08:246.08:47-1.27:155:33Waning Crescent16Fri
17Sat4:098.42:158.09:195.49:34-1.27:145:35New Moon17Sat
18Sun4:438.63:187.910:094.710:20-0.97:125:36New Moon18Sun
19Mon5:158.84:197.810:583.911:04-0.27:105:38New Moon19Mon
20Tue5:478.85:177.511:483.211:490.67:085:40Waxing Crescent20Tue
21Wed6:198.86:167.212:382.57:075:41Waxing Crescent21Wed
22Thu6:518.77:196.812:331.71:292.07:055:43Waxing Crescent22Thu
23Fri7:238.48:306.41:192.82:211.67:035:44Waxing Crescent23Fri
24Sat7:578.19:596.22:083.93:141.47:015:46First Quarter24Sat
25Sun8:337.711:446.43:044.84:111.36:595:47First Quarter25Sun
26Mon9:147.44:135.65:111.36:575:49First Quarter26Mon
27Tue1:116.810:02 AM7.05:416.16:131.26:565:51First Quarter27Tue
28Wed2:147.210:59 AM6.87:166.27:111.16:545:52Waxing Gibbous28Wed
29Thu2:597.512:036.78:266.08:001.06:525:54Waxing Gibbous29Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9444971)

Common Questions About Mystery Bay, Marrowstone Island, WA Tides

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What time does the tide turn (slack tide) in Mystery Bay, Marrowstone Island, WA today?

Slack tide in Mystery Bay, Marrowstone Island, WA is approximately 5:24 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Mystery Bay, Marrowstone Island, WA?

Mystery Bay, Marrowstone Island, WA is currently in a spring phase. Tonight's moon is 87% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Mystery Bay, Marrowstone Island, WA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Mystery Bay, Marrowstone Island, WA?

Tide predictions for Mystery Bay, Marrowstone Island, WA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Mystery Bay, Marrowstone Island, WA?

Tide data for Mystery Bay, Marrowstone Island, WA is sourced from NOAA Station #9444971. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9444971.

What is the moon phase in Mystery Bay, Marrowstone Island, WA tonight?

Tonight the moon over Mystery Bay, Marrowstone Island, WA is Waning Gibbous (87% illuminated). This places Mystery Bay, Marrowstone Island, WA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA