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

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Mystery Bay, Marrowstone Island, WA.
Next low tide : in 3h 47m at 1:47 am (6.7 ft)
Next high tide : 5:05 am (6.8 ft)
Sunset today : 9:14 pm
Sunrise tomorrow : 5:15 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - Aug 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:195.46:481.86:115.25:478:47First Quarter1Sat
2Sun3:316.17:361.27:255.75:488:45Waxing Gibbous2Sun
3Mon12:137.24:186.68:200.58:326.05:498:44Waxing Gibbous3Mon
4Tue12:577.24:537.19:01-0.19:256.15:508:42Waxing Gibbous4Tue
5Wed1:457.35:237.49:40-0.610:086.05:528:41Waxing Gibbous5Wed
6Thu2:357.45:517.710:19-1.110:485.75:538:39Full Moon6Thu
7Fri3:267.56:187.910:59-1.411:285.45:548:38Full Moon7Fri
8Sat4:187.56:478.111:39-1.45:568:36Full Moon8Sat
9Sun5:127.47:178.212:124.812:20-1.25:578:34Waning Gibbous9Sun
10Mon6:087.27:508.312:594.21:03-0.65:588:33Waning Gibbous10Mon
11Tue7:086.88:248.31:513.51:480.26:008:31Waning Gibbous11Tue
12Wed8:136.49:008.32:472.72:341.36:018:29Waning Gibbous12Wed
13Thu9:285.99:388.23:451.93:242.56:028:28Third Quarter13Thu
14Fri11:015.710:208.04:461.14:203.76:048:26Third Quarter14Fri
15Sat12:535.95:480.55:294.86:058:24Third Quarter15Sat
16Sun2:256.56:520.06:515.56:078:22Waning Crescent16Sun
17Mon3:307.17:52-0.58:135.76:088:21Waning Crescent17Mon
18Tue12:567.44:217.68:47-0.79:235.76:098:19Waning Crescent18Tue
19Wed1:577.25:027.99:36-0.810:165.46:118:17Waning Crescent19Wed
20Thu2:577.25:398.010:20-0.811:005.06:128:15New Moon20Thu
21Fri3:517.16:118.011:01-0.511:394.66:138:13New Moon21Fri
22Sat4:417.06:397.911:40-0.26:158:11New Moon22Sat
23Sun5:286.97:047.812:184.212:180.36:168:10New Moon23Sun
24Mon6:156.77:267.712:573.712:571.06:188:08Waxing Crescent24Mon
25Tue7:026.57:507.61:383.31:361.76:198:06Waxing Crescent25Tue
26Wed7:536.38:167.52:202.82:162.66:208:04Waxing Crescent26Wed
27Thu8:496.08:467.33:042.42:593.46:228:02Waxing Crescent27Thu
28Fri9:565.89:207.13:502.13:464.36:238:00First Quarter28Fri
29Sat11:295.79:586.94:401.84:445.06:247:58First Quarter29Sat
30Sun1:266.05:341.55:585.66:267:56First Quarter30Sun
31Mon2:416.46:301.27:185.86:277:54First Quarter31Mon
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 3:26 am — 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 97% 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 Full Moon (97% 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