Tides Today & Tomorrow in Friday Harbor, WA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Friday Harbor, WA.
Next low tide : in 1h 35m at 12:39 am (6.1 ft)
Next high tide : 4:02 am (6.6 ft)
Sunset today : 8:53 pm
Sunrise tomorrow : 5:43 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #9449880
Common Questions About Tides

Friday Harbor, WA Tides - Oct 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:137.88:010.110:025.07:126:50Waning Crescent1Sat
2Sun1:515.74:457.68:580.510:324.37:146:48Waning Crescent2Sun
3Mon3:195.75:107.49:461.011:003.57:156:46Waning Crescent3Mon
4Tue4:285.95:297.210:261.611:262.77:166:44New Moon4Tue
5Wed5:286.05:427.011:032.411:512.07:186:42New Moon5Wed
6Thu6:246.35:516.911:393.27:196:40New Moon6Thu
7Fri7:176.55:596.812:171.312:164.07:216:37New Moon7Fri
8Sat8:086.86:096.712:440.712:554.87:226:35Waxing Crescent8Sat
9Sun9:017.06:236.71:130.31:385.57:246:33Waxing Crescent9Sun
10Mon10:007.16:366.61:460.02:306.07:256:31Waxing Crescent10Mon
11Tue11:067.36:346.52:230.03:556.47:276:29Waxing Crescent11Tue
12Wed12:187.33:060.17:286:27First Quarter12Wed
13Thu1:287.43:570.27:306:25First Quarter13Thu
14Fri2:237.54:550.47:316:24First Quarter14Fri
15Sat3:017.55:590.57:336:22First Quarter15Sat
16Sun3:287.57:020.69:375.07:346:20Waxing Gibbous16Sun
17Mon12:455.43:507.58:010.89:454.17:366:18Waxing Gibbous17Mon
18Tue2:285.64:087.48:531.210:072.97:376:16Waxing Gibbous18Tue
19Wed3:536.04:257.59:411.910:381.67:396:14Full Moon19Wed
20Thu5:086.54:427.610:272.811:140.37:406:12Full Moon20Thu
21Fri6:197.15:017.711:133.911:54-0.97:426:10Full Moon21Fri
22Sat7:257.65:237.812:025.07:436:08Waning Gibbous22Sat
23Sun8:308.05:487.812:37-1.712:565.97:456:07Waning Gibbous23Sun
24Mon9:388.36:157.61:22-2.11:586.67:466:05Waning Gibbous24Mon
25Tue10:498.46:437.32:11-2.13:247.07:486:03Waning Gibbous25Tue
26Wed11:598.43:04-1.77:506:01Third Quarter26Wed
27Thu1:038.34:03-1.07:516:00Third Quarter27Thu
28Fri1:568.25:06-0.27:535:58Third Quarter28Fri
29Sat2:398.16:120.69:194.57:545:56Waning Crescent29Sat
30Sun12:374.93:137.97:181.49:443.67:565:55Waning Crescent30Sun
31Mon2:405.03:387.68:192.210:102.77:575:53Waning Crescent31Mon
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 2:20 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 spring phase. Tonight's moon is 100% 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 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 Full Moon (100% illuminated). This places Friday Harbor, 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