48.0583’ N, 122.6920’ W

Mystery Bay, Marrowstone Island, WA

52°
H 68°
L 56°
SSE
1mph
High tide
8:27 am

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

TIDE TIMES for Tuesday, September 1, 2026
The tide is currently rising in Mystery Bay, Marrowstone Island, WA.
Next low tide : 2:00 pm (3.8 ft)
Next high tide : in 3h 55m at 8:27 am (6.5 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 6:29 am
Moon phase : Waning Gibbous (77% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - Nov 1908

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun11:338.38:326.03:24-0.56:366.26:554:52First Quarter1Sun
2Mon12:238.34:290.07:135.46:574:51First Quarter2Mon
3Tue1:048.45:370.67:454.36:594:49Waxing Gibbous3Tue
4Wed12:025.71:388.56:421.38:193.07:004:48Waxing Gibbous4Wed
5Thu1:376.12:098.57:412.18:541.77:024:46Waxing Gibbous5Thu
6Fri2:566.72:378.58:342.99:300.57:034:45Full Moon6Fri
7Sat4:027.33:048.49:243.810:07-0.67:054:43Full Moon7Sat
8Sun5:017.93:328.310:134.710:44-1.37:064:42Full Moon8Sun
9Mon5:568.34:008.111:035.511:23-1.77:084:41Full Moon9Mon
10Tue6:498.64:307.711:586.27:094:39Waning Gibbous10Tue
11Wed7:438.75:017.312:03-1.71:026.67:114:38Waning Gibbous11Wed
12Thu8:398.75:336.912:45-1.42:256.87:124:37Waning Gibbous12Thu
13Fri9:368.76:086.31:30-0.85:076.67:144:35Waning Gibbous13Fri
14Sat10:338.67:005.82:19-0.16:466.07:154:34Third Quarter14Sat
15Sun11:248.48:265.33:120.77:275.47:174:33Third Quarter15Sun
16Mon12:068.34:101.57:554.87:184:32Third Quarter16Mon
17Tue12:398.25:122.28:154.17:204:31Third Quarter17Tue
18Wed1:038.16:132.98:293.37:214:30Waning Crescent18Wed
19Thu1:405.41:228.07:083.68:452.47:234:29Waning Crescent19Thu
20Fri2:486.01:418.07:574.29:041.57:244:28Waning Crescent20Fri
21Sat3:416.62:038.18:414.89:270.57:264:27Waning Crescent21Sat
22Sun4:277.22:288.19:235.49:54-0.47:274:26New Moon22Sun
23Mon5:107.82:558.110:055.910:25-1.27:294:25New Moon23Mon
24Tue5:528.33:238.010:486.411:01-1.87:304:24New Moon24Tue
25Wed6:378.63:527.911:346.811:40-2.17:324:23Waxing Crescent25Wed
26Thu7:248.84:217.712:287.17:334:23Waxing Crescent26Thu
27Fri8:148.94:527.412:24-2.11:317.27:344:22Waxing Crescent27Fri
28Sat9:068.95:366.91:12-1.92:507.07:364:21Waxing Crescent28Sat
29Sun9:588.97:026.32:04-1.34:276.47:374:21First Quarter29Sun
30Mon10:458.98:445.62:59-0.45:595.57:384:20First Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9444971)

Common Questions About Mystery Bay, Marrowstone Island, WA Tides

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

Mystery Bay, Marrowstone Island, WA is currently in a transitional phase. Tonight's moon is 77% 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 shifting between spring and neap.

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 (77% illuminated). This places Mystery Bay, Marrowstone Island, WA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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