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

TIDE TIMES for Monday, August 10, 2026
The tide is currently rising in Rosario, East Sound, Orcas Island, WA.
Next low tide : 10:06 pm (7.0 ft)
Next high tide : in 7h 14m at 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 - Sep 2093

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue4:037.47:46-0.98:266.16:307:52Waxing Gibbous1Tue
2Wed12:317.14:467.78:44-1.29:335.76:317:49Waxing Gibbous2Wed
3Thu1:497.15:257.99:37-1.310:275.16:337:47Full Moon3Thu
4Fri3:027.15:598.010:27-1.111:164.46:347:45Full Moon4Fri
5Sat4:137.06:317.911:15-0.66:357:43Full Moon5Sat
6Sun5:256.96:597.712:023.612:000.26:377:41Full Moon6Sun
7Mon6:326.77:267.512:472.812:421.26:387:39Waning Gibbous7Mon
8Tue7:386.47:497.31:322.11:222.26:407:37Waning Gibbous8Tue
9Wed8:506.28:107.12:191.62:043.26:417:35Waning Gibbous9Wed
10Thu10:126.08:306.83:081.32:484.26:427:33Third Quarter10Thu
11Fri11:366.08:526.63:591.03:404.96:447:31Third Quarter11Fri
12Sat1:016.24:500.94:425.56:457:29Third Quarter12Sat
13Sun2:126.55:440.86:205.86:477:26Third Quarter13Sun
14Mon3:036.86:430.88:195.76:487:24Waning Crescent14Mon
15Tue3:457.07:410.79:125.56:497:22Waning Crescent15Tue
16Wed12:195.94:217.18:310.69:505.16:517:20Waning Crescent16Wed
17Thu1:425.94:537.29:140.610:224.76:527:18Waning Crescent17Thu
18Fri2:476.05:217.39:530.610:524.26:547:16Waning Crescent18Fri
19Sat3:436.15:457.210:300.811:213.66:557:14New Moon19Sat
20Sun4:386.26:057.211:061.211:513.06:567:12New Moon20Sun
21Mon5:336.36:207.111:411.76:587:10New Moon21Mon
22Tue6:266.46:337.012:222.412:172.36:597:07Waxing Crescent22Tue
23Wed7:216.46:487.012:561.712:543.17:017:05Waxing Crescent23Wed
24Thu8:236.47:086.91:341.11:353.97:027:03Waxing Crescent24Thu
25Fri9:416.57:326.92:170.62:224.77:047:01Waxing Crescent25Fri
26Sat11:086.78:026.93:060.23:195.47:056:59First Quarter26Sat
27Sun12:336.94:01-0.14:315.97:066:57First Quarter27Sun
28Mon1:447.35:00-0.36:056.17:086:55First Quarter28Mon
29Tue2:367.66:04-0.38:005.87:096:53Waxing Gibbous29Tue
30Wed3:187.87:13-0.28:575.27:116:51Waxing Gibbous30Wed
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 7:59 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