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 5h 10m 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 - Jun 2057

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:327.56:517.811:13-1.011:376.25:149:03New Moon1Fri
2Sat3:567.37:308.011:43-1.35:149:03New Moon2Sat
3Sun4:247.28:088.212:256.512:15-1.55:139:04New Moon3Sun
4Mon4:547.08:458.31:186.712:50-1.55:129:05Waxing Crescent4Mon
5Tue5:246.79:238.32:176.71:28-1.35:129:06Waxing Crescent5Tue
6Wed5:536.410:018.33:306.62:09-1.05:129:07Waxing Crescent6Wed
7Thu10:398.22:52-0.65:119:08Waxing Crescent7Thu
8Fri11:158.23:37-0.15:119:08First Quarter8Fri
9Sat8:515.211:488.27:285.34:240.65:119:09First Quarter9Sat
10Sun10:274.87:214.55:161.45:109:10First Quarter10Sun
11Mon12:198.212:084.77:443.46:132.45:109:10First Quarter11Mon
12Tue12:498.21:575.08:152.07:143.45:109:11Waxing Gibbous12Tue
13Wed1:208.23:325.88:500.68:154.45:109:11Waxing Gibbous13Wed
14Thu1:518.34:416.89:27-0.99:135.25:109:12Waxing Gibbous14Thu
15Fri2:248.45:387.610:07-2.110:095.95:109:12Full Moon15Fri
16Sat3:018.46:298.310:50-3.111:056.45:109:13Full Moon16Sat
17Sun3:428.47:188.711:35-3.65:109:13Full Moon17Sun
18Mon4:288.28:068.912:026.612:21-3.65:109:13Waning Gibbous18Mon
19Tue5:197.88:548.91:056.71:10-3.25:109:14Waning Gibbous19Tue
20Wed6:157.39:418.92:166.42:00-2.55:109:14Waning Gibbous20Wed
21Thu7:176.610:278.83:375.92:52-1.55:119:14Waning Gibbous21Thu
22Fri8:265.811:108.65:055.23:43-0.25:119:14Third Quarter22Fri
23Sat9:505.011:508.56:254.24:361.15:119:14Third Quarter23Sat
24Sun11:464.67:253.15:322.55:129:14Third Quarter24Sun
25Mon12:258.21:574.98:122.16:343.85:129:14Third Quarter25Mon
26Tue12:548.03:295.78:481.17:404.95:129:14Waning Crescent26Tue
27Wed1:207.84:356.59:190.38:465.75:139:14Waning Crescent27Wed
28Thu1:447.65:267.29:48-0.39:466.25:139:14Waning Crescent28Thu
29Fri2:117.46:077.710:17-0.910:406.65:149:14Waning Crescent29Fri
30Sat2:407.36:448.010:47-1.211:286.75:159:14New Moon30Sat
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