Tides Today & Tomorrow in Friday Harbor, WA

TIDE TIMES for Saturday, July 18, 2026
The tide is currently rising in Friday Harbor, WA.
Next low tide (tomorrow) : 4:23 am (3.3 ft)
Next high tide : in 6h 51m at 9:50 pm (8.0 ft)
Sunset today : 9:06 pm
Sunrise tomorrow : 5:29 am
Moon phase : Waxing Crescent (24% illuminated)
Tide Station Location : Station #9449880
Common Questions About Tides

Friday Harbor, WA Tides - Nov 1985

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:457.93:596.812:09-0.71:426.76:584:52Waning Gibbous1Fri
2Sat9:397.912:46-0.77:004:50Waning Gibbous2Sat
3Sun10:377.91:27-0.57:014:49Waning Gibbous3Sun
4Mon11:327.92:15-0.37:034:47Third Quarter4Mon
5Tue12:207.93:090.17:054:46Third Quarter5Tue
6Wed12:567.84:070.57:064:44Third Quarter6Wed
7Thu1:237.85:081.08:104.37:084:43Waning Crescent7Thu
8Fri1:447.86:081.68:193.17:094:41Waning Crescent8Fri
9Sat1:425.22:027.87:072.58:421.77:114:40Waning Crescent9Sat
10Sun3:125.92:207.98:023.59:130.37:124:39Waning Crescent10Sun
11Mon4:276.82:398.08:554.59:49-1.17:144:37New Moon11Mon
12Tue5:337.63:008.29:485.610:28-2.17:164:36New Moon12Tue
13Wed6:338.33:268.210:446.411:11-2.77:174:35New Moon13Wed
14Thu7:318.83:548.111:457.011:56-2.87:194:34Waxing Crescent14Thu
15Fri8:299.04:257.812:587.37:204:32Waxing Crescent15Fri
16Sat9:299.04:567.412:44-2.52:517.37:224:31Waxing Crescent16Sat
17Sun10:268.81:34-1.87:234:30First Quarter17Sun
18Mon11:198.72:27-0.97:254:29First Quarter18Mon
19Tue12:068.43:240.17:264:28First Quarter19Tue
20Wed12:448.24:221.27:503.97:284:27First Quarter20Wed
21Thu1:158.05:212.28:162.97:294:26Waxing Gibbous21Thu
22Fri1:504.71:377.86:223.38:412.07:314:25Waxing Gibbous22Fri
23Sat3:185.41:517.67:234.39:041.17:324:24Waxing Gibbous23Sat
24Sun4:256.21:577.48:205.29:260.37:334:23Waxing Gibbous24Sun
25Mon5:187.02:027.49:125.99:47-0.37:354:23Full Moon25Mon
26Tue6:037.62:117.410:056.510:10-0.87:364:22Full Moon26Tue
27Wed6:418.12:247.411:026.910:37-1.17:384:21Full Moon27Wed
28Thu7:188.42:357.312:077.27:394:20Full Moon28Thu
29Fri7:558.611:43-1.37:404:20Waning Gibbous29Fri
30Sat8:358.67:424:19Waning Gibbous30Sat
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 1:06 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 24% 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 Waxing Crescent (24% 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