48.0583’ N, 122.6920’ W

Mystery Bay, Marrowstone Island, WA

59°
H -°
L 56°
SE
8mph
Low tide
3:01 am

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

TIDE TIMES for Wednesday, September 2, 2026
The tide is currently falling in Mystery Bay, Marrowstone Island, WA.
Next low tide : in 3h 39m at 3:01 am (0.1 ft)
Next high tide : 9:44 am (6.4 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 1907

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:165.31:457.96:572.38:403.66:544:54Waning Crescent1Fri
2Sat1:345.72:067.97:472.78:582.76:564:52Waning Crescent2Sat
3Sun2:386.22:288.08:313.19:211.76:574:51Waning Crescent3Sun
4Mon3:336.82:538.19:133.69:500.66:594:49New Moon4Mon
5Tue4:247.33:208.19:544.210:23-0.47:004:47New Moon5Tue
6Wed5:157.83:508.110:364.811:00-1.37:024:46New Moon6Wed
7Thu6:068.24:228.011:225.411:41-1.97:044:45Waxing Crescent7Thu
8Fri7:008.54:567.912:136.07:054:43Waxing Crescent8Fri
9Sat7:588.65:337.612:26-2.11:146.47:074:42Waxing Crescent9Sat
10Sun9:008.66:187.11:15-1.92:286.67:084:40Waxing Crescent10Sun
11Mon10:038.67:206.52:09-1.44:026.47:104:39First Quarter11Mon
12Tue11:038.68:435.93:08-0.75:585.87:114:38First Quarter12Tue
13Wed11:558.610:235.54:110.27:084.87:134:36First Quarter13Wed
14Thu12:408.65:181.27:493.77:144:35Waxing Gibbous14Thu
15Fri12:165.51:188.66:242.18:232.67:164:34Waxing Gibbous15Fri
16Sat1:545.91:508.57:253.08:541.57:174:33Waxing Gibbous16Sat
17Sun3:076.62:188.48:203.99:240.67:194:32Waxing Gibbous17Sun
18Mon4:077.32:428.29:114.69:54-0.27:204:31Full Moon18Mon
19Tue4:597.83:068.09:595.310:26-0.87:224:29Full Moon19Tue
20Wed5:468.23:307.810:475.910:58-1.17:234:28Full Moon20Wed
21Thu6:318.53:577.511:376.411:33-1.27:254:27Full Moon21Thu
22Fri7:158.64:267.212:346.67:264:27Waning Gibbous22Fri
23Sat7:598.74:566.912:09-1.01:416.87:284:26Waning Gibbous23Sat
24Sun8:448.65:286.512:48-0.73:156.77:294:25Waning Gibbous24Sun
25Mon9:298.66:046.11:30-0.25:556.37:304:24Waning Gibbous25Mon
26Tue10:138.57:115.62:150.46:555.87:324:23Third Quarter26Tue
27Wed10:538.43:041.17:334:22Third Quarter27Wed
28Thu11:278.310:144.93:571.87:354.67:354:22Third Quarter28Thu
29Fri11:568.311:555.04:542.57:433.77:364:21Third Quarter29Fri
30Sat12:248.35:543.27:582.77:374:21Waning Crescent30Sat
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