Tides Today & Tomorrow in Rosario, East Sound, Orcas Island, WA

TIDE TIMES for Monday, August 10, 2026
The tide is currently falling in Rosario, East Sound, Orcas Island, WA.
Next low tide : in 8h 21m at 9:20 am (-2.4 ft)
Next high tide : 5:52 pm (8.2 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waning Crescent (5% illuminated)
Tide Station Location : Station #9449771
Common Questions About Tides

Rosario, East Sound, Orcas Island, WA Tides - Jan 1953

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:118.92:487.512:157.28:044:26Full Moon1Thu
2Fri7:438.93:357.11:076.88:044:27Waning Gibbous2Fri
3Sat8:128.84:276.52:036.38:034:28Waning Gibbous3Sat
4Sun8:378.65:225.912:230.22:555.78:034:29Waning Gibbous4Sun
5Mon8:578.46:245.312:531.03:374.98:034:30Waning Gibbous5Mon
6Tue9:098.27:504.71:232.04:144.18:034:31Third Quarter6Tue
7Wed9:168.110:504.51:533.04:513.28:024:32Third Quarter7Wed
8Thu9:268.12:244.15:302.38:024:34Third Quarter8Thu
9Fri9:438.16:121.38:024:35Third Quarter9Fri
10Sat10:088.26:540.38:014:36Waning Crescent10Sat
11Sun10:418.37:37-0.68:014:37Waning Crescent11Sun
12Mon4:427.911:23 AM8.46:587.78:19-1.48:004:39Waning Crescent12Mon
13Tue5:128.512:168.58:317.99:03-2.08:004:40Waning Crescent13Tue
14Wed5:439.01:138.59:447.99:47-2.37:594:42New Moon14Wed
15Thu6:139.22:128.310:447.510:30-2.37:584:43New Moon15Thu
16Fri6:439.33:167.911:366.911:13-1.87:584:44New Moon16Fri
17Sat7:119.34:277.412:276.17:574:46Waxing Crescent17Sat
18Sun7:379.15:406.71:225.07:564:47Waxing Crescent18Sun
19Mon8:029.07:036.012:340.32:203.97:554:49Waxing Crescent19Mon
20Tue8:248.88:575.41:141.83:172.77:544:50First Quarter20Tue
21Wed8:448.711:095.51:533.34:121.67:534:52First Quarter21Wed
22Thu9:068.72:314.75:100.77:524:53First Quarter22Thu
23Fri1:176.19:30 AM8.63:075.96:090.07:514:55First Quarter23Fri
24Sat10:008.57:05-0.57:504:56Waxing Gibbous24Sat
25Sun10:388.37:55-0.97:494:58Waxing Gibbous25Sun
26Mon4:438.011:28 AM8.08:187.78:39-1.07:485:00Waxing Gibbous26Mon
27Tue5:118.312:277.89:317.49:20-1.07:475:01Waxing Gibbous27Tue
28Wed5:388.41:247.610:247.19:57-0.97:455:03Full Moon28Wed
29Thu6:038.52:177.311:056.710:30-0.67:445:04Full Moon29Thu
30Fri6:288.53:117.011:416.211:00-0.17:435:06Full Moon30Fri
31Sat6:518.44:076.612:155.67:425:08Full Moon31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9449771)

Common Questions About Rosario, East Sound, Orcas Island, WA Tides

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What time does the tide turn (slack tide) in Rosario, East Sound, Orcas Island, WA today?

Slack tide in Rosario, East Sound, Orcas Island, WA is approximately 1:36 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 Rosario, East Sound, Orcas Island, WA?

Rosario, East Sound, Orcas Island, WA is currently in a spring phase. Tonight's moon is 5% 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 Rosario, East Sound, Orcas 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 Rosario, East Sound, Orcas Island, WA?

Tide predictions for Rosario, East Sound, Orcas 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 Rosario, East Sound, Orcas Island, WA?

Tide data for Rosario, East Sound, Orcas Island, WA is sourced from NOAA Station #9449771. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9449771.

What is the moon phase in Rosario, East Sound, Orcas Island, WA tonight?

Tonight the moon over Rosario, East Sound, Orcas Island, WA is Waning Crescent (5% illuminated). This places Rosario, East Sound, Orcas 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