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

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Mystery Bay, Marrowstone Island, WA.
Next low tide : in 3h 32m at 2:16 pm (-0.3 ft)
Next high tide : 9:32 pm (8.4 ft)
Sunset today : 9:13 pm
Sunrise tomorrow : 5:17 am
Moon phase : Waning Gibbous (80% illuminated)
Tide Station Location : Station #9444971
Common Questions About Tides

Mystery Bay, Marrowstone Island, WA Tides - May 1994

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:346.311:468.14:465.64:02-0.35:518:23Third Quarter1Sun
2Mon9:465.76:255.05:020.75:508:25Third Quarter2Mon
3Tue12:398.011:19 AM5.27:464.36:051.75:488:26Third Quarter3Tue
4Wed1:257.91:165.18:383.47:102.65:478:27Waning Crescent4Wed
5Thu2:037.72:515.59:152.58:113.45:458:29Waning Crescent5Thu
6Fri2:337.64:006.19:441.79:064.15:438:30Waning Crescent6Fri
7Sat2:557.54:546.610:091.09:544.65:428:32Waning Crescent7Sat
8Sun3:147.45:407.110:340.310:375.15:408:33New Moon8Sun
9Mon3:367.36:207.411:01-0.211:195.55:398:34New Moon9Mon
10Tue4:027.36:577.711:30-0.65:388:36New Moon10Tue
11Wed4:327.27:327.812:005.812:01-0.95:368:37New Moon11Wed
12Thu5:057.18:087.912:436.012:36-1.15:358:38Waxing Crescent12Thu
13Fri5:406.98:468.01:296.11:13-1.15:338:40Waxing Crescent13Fri
14Sat6:166.79:268.02:206.21:53-1.05:328:41Waxing Crescent14Sat
15Sun6:556.410:088.03:196.12:35-0.75:318:42Waxing Crescent15Sun
16Mon7:436.010:498.04:235.93:21-0.25:308:44First Quarter16Mon
17Tue8:515.511:298.05:295.44:110.45:288:45First Quarter17Tue
18Wed10:145.16:264.65:051.25:278:46First Quarter18Wed
19Thu12:068.011:48 AM5.07:133.56:042.15:268:47First Quarter19Thu
20Fri12:418.01:315.27:562.27:073.05:258:49Waxing Gibbous20Fri
21Sat1:178.13:065.98:380.88:093.95:248:50Waxing Gibbous21Sat
22Sun1:538.24:196.79:19-0.59:094.65:238:51Waxing Gibbous22Sun
23Mon2:308.35:187.510:01-1.710:055.25:228:52Full Moon23Mon
24Tue3:108.46:108.110:44-2.610:595.75:218:53Full Moon24Tue
25Wed3:528.37:008.511:29-3.011:555.95:208:54Full Moon25Wed
26Thu4:388.17:488.712:14-3.15:198:56Waning Gibbous26Thu
27Fri5:277.78:368.712:556.01:01-2.75:188:57Waning Gibbous27Fri
28Sat6:197.29:248.72:025.91:49-2.05:178:58Waning Gibbous28Sat
29Sun7:156.610:118.63:175.62:39-1.15:178:59Waning Gibbous29Sun
30Mon8:185.810:568.44:405.03:290.05:169:00Third Quarter30Mon
31Tue9:325.111:378.26:004.34:211.25:159:01Third 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 5:54 pm — 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 80% 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 Waning Gibbous (80% 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