48.0583’ N, 122.6920’ W

Mystery Bay, Marrowstone Island, WA

54°
H 70°
L 51°
NW
3mph
Low tide
7:07 am

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

TIDE TIMES for Sunday, September 6, 2026
The tide is currently falling in Mystery Bay, Marrowstone Island, WA.
Next low tide : in 2h 26m at 7:07 am (-1.1 ft)
Next high tide : 3:28 pm (7.7 ft)
Sunset today : 7:41 pm
Sunrise tomorrow : 6:36 am
Moon phase : Waning Crescent (23% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - Jun 1889

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:206.88:058.212:476.612:13-1.34:148:02Waxing Crescent1Sat
2Sun4:516.68:448.21:536.612:52-1.14:138:03Waxing Crescent2Sun
3Mon5:216.29:248.23:166.41:34-0.74:138:04Waxing Crescent3Mon
4Tue10:028.22:18-0.34:128:05Waxing Crescent4Tue
5Wed7:105.410:388.16:455.63:050.34:128:05First Quarter5Wed
6Thu8:444.911:118.16:344.93:551.04:118:06First Quarter6Thu
7Fri10:194.711:428.16:424.14:501.94:118:07First Quarter7Fri
8Sat12:004.87:062.95:492.84:118:08Waxing Gibbous8Sat
9Sun12:128.11:445.47:371.66:503.74:108:08Waxing Gibbous9Sun
10Mon12:438.23:046.28:120.17:484.64:108:09Waxing Gibbous10Mon
11Tue1:168.34:067.18:50-1.38:445.34:108:10Waxing Gibbous11Tue
12Wed1:508.45:007.99:30-2.49:385.94:108:10Full Moon12Wed
13Thu2:288.45:508.410:13-3.210:336.34:108:11Full Moon13Thu
14Fri3:108.36:408.710:59-3.611:326.54:098:11Full Moon14Fri
15Sat3:578.07:298.911:46-3.54:098:12Waning Gibbous15Sat
16Sun4:497.68:188.912:376.512:36-2.94:098:12Waning Gibbous16Sun
17Mon5:477.09:068.81:536.21:27-2.14:098:13Waning Gibbous17Mon
18Tue6:516.29:538.73:195.62:19-1.04:108:13Third Quarter18Tue
19Wed8:075.410:368.64:494.83:130.34:108:13Third Quarter19Wed
20Thu9:424.811:158.46:013.84:081.64:108:14Third Quarter20Thu
21Fri11:524.711:498.26:552.75:073.04:108:14Third Quarter21Fri
22Sat1:435.27:371.76:114.14:108:14Waning Crescent22Sat
23Sun12:198.03:016.08:100.87:175.14:118:14Waning Crescent23Sun
24Mon12:447.73:596.88:390.08:195.84:118:14Waning Crescent24Mon
25Tue1:097.64:467.49:07-0.69:146.34:118:14Waning Crescent25Tue
26Wed1:367.45:267.89:36-1.010:046.54:128:14New Moon26Wed
27Thu2:067.36:018.110:07-1.310:516.74:128:14New Moon27Thu
28Fri2:407.26:348.210:40-1.511:376.74:138:14New Moon28Fri
29Sat3:187.17:058.311:14-1.54:138:14New Moon29Sat
30Sun3:586.97:368.312:246.611:51 AM-1.44:148:14Waxing Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9444971)

Common Questions About Mystery Bay, Marrowstone Island, WA Tides

Collapse All
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 23% 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 Crescent (23% 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