48.0583’ N, 122.6920’ W

Mystery Bay, Marrowstone Island, WA

56°
H -°
L 53°
NW
2mph
Low tide
5:57 am

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

TIDE TIMES for Saturday, September 5, 2026
The tide is currently falling in Mystery Bay, Marrowstone Island, WA.
Next low tide : in 6h 38m at 5:57 am (-1.0 ft)
Next high tide : 2:39 pm (7.3 ft)
Sunset today : 7:45 pm
Sunrise tomorrow : 6:33 am
Moon phase : Third Quarter (45% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - Oct 1892

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:237.86:140.48:315.96:115:49Waxing Gibbous1Sat
2Sun2:477.87:140.38:395.26:125:47Waxing Gibbous2Sun
3Mon12:436.43:087.98:050.39:034.36:135:45Waxing Gibbous3Mon
4Tue1:556.73:298.08:510.59:353.06:155:43Full Moon4Tue
5Wed3:037.13:508.19:341.110:111.66:165:41Full Moon5Wed
6Thu4:087.44:148.210:172.010:510.36:185:38Full Moon6Thu
7Fri5:117.74:418.211:003.111:34-0.86:195:36Full Moon7Fri
8Sat6:167.95:098.211:464.36:215:34Waning Gibbous8Sat
9Sun7:238.05:408.012:20-1.612:385.46:225:33Waning Gibbous9Sun
10Mon8:378.06:137.71:09-1.91:396.26:245:31Waning Gibbous10Mon
11Tue9:598.06:517.22:02-1.83:006.86:255:29Third Quarter11Tue
12Wed11:188.17:426.63:00-1.35:276.86:275:27Third Quarter12Wed
13Thu12:258.24:04-0.67:416.26:285:25Third Quarter13Thu
14Fri1:188.35:150.18:245.46:295:23Waning Crescent14Fri
15Sat2:008.36:250.78:544.66:315:21Waning Crescent15Sat
16Sun12:365.72:348.27:281.39:173.96:325:19Waning Crescent16Sun
17Mon2:006.03:018.08:181.99:363.16:345:17Waning Crescent17Mon
18Tue3:056.33:207.89:012.59:552.26:355:15New Moon18Tue
19Wed4:006.73:337.79:393.310:181.46:375:13New Moon19Wed
20Thu4:487.03:447.610:164.010:430.76:385:12New Moon20Thu
21Fri5:347.34:007.510:544.811:100.16:405:10New Moon21Fri
22Sat6:197.64:197.411:345.511:40-0.46:415:08New Moon22Sat
23Sun7:047.84:407.212:206.16:435:06Waxing Crescent23Sun
24Mon7:537.94:587.012:14-0.61:136.66:455:04Waxing Crescent24Mon
25Tue8:497.94:456.812:50-0.62:256.96:465:03Waxing Crescent25Tue
26Wed9:537.91:32-0.56:485:01Waxing Crescent26Wed
27Thu11:008.02:20-0.26:494:59First Quarter27Thu
28Fri11:558.03:160.16:514:58First Quarter28Fri
29Sat12:368.14:180.58:395.76:524:56First Quarter29Sat
30Sun1:068.25:240.98:005.06:544:54Waxing Gibbous30Sun
31Mon1:318.26:261.38:113.86:554:53Waxing Gibbous31Mon
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 neap phase. Tonight's moon is 45% 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 minimum.

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 Third Quarter (45% illuminated). This places Mystery Bay, Marrowstone Island, WA in a neap tide cycle, so tidal ranges are near their weekly minimum 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