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 3h 48m 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 - Jul 2074

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:495.011:158.45:364.04:221.35:159:14First Quarter1Sun
2Mon11:254.811:518.46:292.95:172.55:169:13First Quarter2Mon
3Tue1:225.07:181.66:193.75:179:13First Quarter3Tue
4Wed12:278.43:065.88:050.27:274.75:179:13Waxing Gibbous4Wed
5Thu1:058.44:176.78:51-1.08:355.55:189:12Waxing Gibbous5Thu
6Fri1:468.45:127.59:36-2.09:386.05:199:12Waxing Gibbous6Fri
7Sat2:308.36:008.110:21-2.710:366.25:209:11Full Moon7Sat
8Sun3:178.26:448.511:05-3.011:336.25:219:11Full Moon8Sun
9Mon4:088.07:268.711:50-2.95:219:10Full Moon9Mon
10Tue5:017.68:078.712:316.112:36-2.55:229:09Waning Gibbous10Tue
11Wed5:557.28:478.71:325.71:22-1.85:239:09Waning Gibbous11Wed
12Thu6:516.69:268.52:375.32:08-0.95:249:08Waning Gibbous12Thu
13Fri7:505.910:028.43:444.72:540.25:259:07Waning Gibbous13Fri
14Sat8:575.310:368.14:504.03:401.45:269:06Third Quarter14Sat
15Sun10:234.811:077.95:513.34:292.75:279:06Third Quarter15Sun
16Mon12:354.86:462.55:243.85:289:05Third Quarter16Mon
17Tue2:325.37:341.76:304.95:299:04Third Quarter17Tue
18Wed12:077.53:486.18:151.07:435.65:319:03Waning Crescent18Wed
19Thu12:407.44:406.78:530.48:526.15:329:02Waning Crescent19Thu
20Fri1:167.35:207.29:27-0.29:486.35:339:01Waning Crescent20Fri
21Sat1:557.25:547.610:02-0.610:346.45:349:00Waning Crescent21Sat
22Sun2:377.26:237.810:36-1.011:126.45:358:59New Moon22Sun
23Mon3:217.26:508.011:11-1.311:496.25:368:58New Moon23Mon
24Tue4:067.27:178.111:47-1.45:378:56New Moon24Tue
25Wed4:537.17:448.212:286.012:25-1.45:398:55New Moon25Wed
26Thu5:426.98:128.31:115.71:04-1.15:408:54Waxing Crescent26Thu
27Fri6:346.68:438.31:585.11:44-0.65:418:53Waxing Crescent27Fri
28Sat7:336.29:158.32:494.42:260.25:428:51Waxing Crescent28Sat
29Sun8:405.79:498.33:443.63:101.25:448:50First Quarter29Sun
30Mon10:015.310:248.24:412.63:582.45:458:49First Quarter30Mon
31Tue11:435.211:028.25:391.64:543.75:468:47First Quarter31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9444971)

Common Questions About Mystery Bay, Marrowstone Island, WA Tides

Show All
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