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

TIDE TIMES for Thursday, July 16, 2026
The tide is currently rising in Mystery Bay, Marrowstone Island, WA.
Next low tide : 12:51 pm (-2.3 ft)
Next high tide : in 2h 37m at 5:12 am (7.6 ft)
Sunset today : 9:05 pm
Sunrise tomorrow : 5:28 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - Aug 2074

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:445.66:370.56:014.85:488:46First Quarter1Wed
2Thu3:126.47:33-0.47:195.65:498:44Waxing Gibbous2Thu
3Fri12:298.04:137.28:27-1.28:346.05:508:43Waxing Gibbous3Fri
4Sat1:207.95:007.89:18-1.89:386.15:518:41Waxing Gibbous4Sat
5Sun2:167.85:428.110:06-2.010:345.95:538:40Full Moon5Sun
6Mon3:137.76:208.310:51-2.011:255.55:548:38Full Moon6Mon
7Tue4:097.66:558.411:35-1.85:558:37Full Moon7Tue
8Wed5:047.37:298.312:155.112:18-1.25:578:35Full Moon8Wed
9Thu5:587.08:008.21:054.61:01-0.55:588:33Waning Gibbous9Thu
10Fri6:526.68:308.11:564.11:440.45:598:32Waning Gibbous10Fri
11Sat7:486.18:587.92:473.62:271.56:018:30Waning Gibbous11Sat
12Sun8:515.79:267.63:403.03:112.66:028:28Third Quarter12Sun
13Mon10:105.49:557.44:322.53:593.76:048:27Third Quarter13Mon
14Tue12:115.45:252.04:574.76:058:25Third Quarter14Tue
15Wed2:065.86:191.56:115.56:068:23Third Quarter15Wed
16Thu3:196.47:121.17:355.96:088:21Third Quarter16Thu
17Fri4:086.98:020.78:496.16:098:20Waning Crescent17Fri
18Sat12:386.84:447.38:480.39:416.16:108:18Waning Crescent18Sat
19Sun1:306.85:137.59:30-0.110:175.96:128:16Waning Crescent19Sun
20Mon2:236.95:397.710:09-0.510:475.76:138:14New Moon20Mon
21Tue3:147.16:027.810:46-0.711:195.36:148:12New Moon21Tue
22Wed4:057.26:267.911:24-0.811:544.86:168:10New Moon22Wed
23Thu4:567.26:518.012:02-0.66:178:08New Moon23Thu
24Fri5:497.17:198.112:344.112:42-0.16:188:07Waxing Crescent24Fri
25Sat6:456.97:498.11:193.31:230.66:208:05Waxing Crescent25Sat
26Sun7:466.68:228.12:072.52:061.66:218:03Waxing Crescent26Sun
27Mon8:556.38:568.02:591.72:532.86:238:01Waxing Crescent27Mon
28Tue10:186.19:357.83:550.93:463.96:247:59First Quarter28Tue
29Wed12:026.14:540.34:514.96:257:57First Quarter29Wed
30Thu1:436.65:57-0.16:125.76:277:55First Quarter30Thu
31Fri2:557.27:02-0.57:395.96:287:53Waxing Gibbous31Fri
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 9:01 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 8% 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 Waxing Crescent (8% 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