Tides Today & Tomorrow in Friday Harbor, WA

TIDE TIMES for Friday, August 7, 2026
The tide is currently rising in Friday Harbor, WA.
Next low tide (tomorrow) : 7:33 am (-1.4 ft)
Next high tide : in 9h 42m at 10:49 pm (8.0 ft)
Sunset today : 8:40 pm
Sunrise tomorrow : 5:55 am
Moon phase : Third Quarter (31% illuminated)
Tide Station Location : Station #9449880
Common Questions About Tides

Friday Harbor, WA Tides - Sep 2097

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:267.57:12-1.18:057.06:317:52Waning Crescent1Sun
2Mon5:037.88:15-1.49:246.76:327:50Waning Crescent2Mon
3Tue12:487.25:367.89:13-1.510:126.16:337:48Waning Crescent3Tue
4Wed2:147.06:067.710:03-1.410:565.36:357:46New Moon4Wed
5Thu3:346.86:327.610:50-0.911:404.46:367:44New Moon5Thu
6Fri4:496.66:567.511:33-0.26:387:42New Moon6Fri
7Sat6:006.47:167.412:243.412:140.86:397:39Waxing Crescent7Sat
8Sun7:106.27:357.31:082.512:541.96:407:37Waxing Crescent8Sun
9Mon8:206.17:517.11:501.71:343.16:427:35Waxing Crescent9Mon
10Tue9:366.18:057.02:321.12:174.36:437:33Waxing Crescent10Tue
11Wed11:056.28:216.83:150.73:095.36:457:31First Quarter11Wed
12Thu12:416.64:010.54:296.06:467:29First Quarter12Thu
13Fri2:116.94:510.56:477:27First Quarter13Fri
14Sat3:147.25:470.56:497:25First Quarter14Sat
15Sun4:007.36:470.66:507:23Waxing Gibbous15Sun
16Mon4:357.47:490.610:135.76:527:21Waxing Gibbous16Mon
17Tue12:215.85:047.38:420.510:305.46:537:18Waxing Gibbous17Tue
18Wed1:455.95:267.29:270.410:464.96:547:16Waxing Gibbous18Wed
19Thu2:576.05:447.110:050.511:044.36:567:14Full Moon19Thu
20Fri3:596.15:587.010:390.811:273.66:577:12Full Moon20Fri
21Sat4:596.16:127.011:141.311:572.76:597:10Full Moon21Sat
22Sun6:016.36:267.111:492.07:007:08Full Moon22Sun
23Mon7:046.46:407.112:311.712:263.07:017:06Waning Gibbous23Mon
24Tue8:086.66:577.21:090.81:064.07:037:04Waning Gibbous24Tue
25Wed9:206.87:157.31:500.01:495.07:047:02Waning Gibbous25Wed
26Thu10:446.97:357.32:36-0.62:385.97:066:59Waning Gibbous26Thu
27Fri12:177.23:29-0.93:456.67:076:57Third Quarter27Fri
28Sat1:467.54:28-0.95:406.97:086:55Third Quarter28Sat
29Sun2:507.75:34-0.87:106:53Third Quarter29Sun
30Mon3:347.86:43-0.69:156.17:116:51Waning Crescent30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9449880)

Common Questions About Friday Harbor, WA Tides

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What time does the tide turn (slack tide) in Friday Harbor, WA today?

Slack tide in Friday Harbor, WA is approximately 3:11 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 Friday Harbor, WA?

Friday Harbor, WA is currently in a transitional phase. Tonight's moon is 31% 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 shifting between spring and neap.

What datum are Friday Harbor, 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 Friday Harbor, WA?

Tide predictions for Friday Harbor, 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 Friday Harbor, WA?

Tide data for Friday Harbor, WA is sourced from NOAA Station #9449880. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9449880.

What is the moon phase in Friday Harbor, WA tonight?

Tonight the moon over Friday Harbor, WA is Third Quarter (31% illuminated). This places Friday Harbor, WA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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