Tides Today & Tomorrow in Friday Harbor, WA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently rising in Friday Harbor, WA.
Next low tide (tomorrow) : 1:11 am (5.6 ft)
Next high tide : in 57m at 8:11 pm (7.6 ft)
Sunset today : 8:52 pm
Sunrise tomorrow : 5:44 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9449880
Common Questions About Tides

Friday Harbor, WA Tides - Mar 2081

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:477.82:085.63:43-0.26:515:56Third Quarter1Sat
2Sun12:376.88:07 AM7.63:146.64:40-0.26:495:58Third Quarter2Sun
3Mon2:107.48:26 AM7.25:437.15:410.06:476:00Third Quarter3Mon
4Tue3:057.76:450.16:456:01Waning Crescent4Tue
5Wed3:467.87:440.26:436:03Waning Crescent5Wed
6Thu4:207.811:57 AM6.29:506.08:320.26:416:04Waning Crescent6Thu
7Fri4:477.71:326.010:125.69:120.46:396:06Waning Crescent7Fri
8Sat5:097.52:426.010:345.09:450.66:376:07New Moon8Sat
9Sun6:247.34:425.911:554.411:151.17:357:09New Moon9Sun
10Mon6:357.25:395.912:173.77:337:10New Moon10Mon
11Tue6:447.26:356.012:412.97:317:12New Moon11Tue
12Wed6:537.27:316.012:142.41:082.17:287:13Waxing Crescent12Wed
13Thu7:047.28:306.212:453.31:381.37:267:15Waxing Crescent13Thu
14Fri7:167.29:376.31:174.22:130.67:247:16Waxing Crescent14Fri
15Sat7:307.311:016.51:515.12:530.17:227:18Waxing Crescent15Sat
16Sun7:437.32:265.93:40-0.27:207:19First Quarter16Sun
17Mon12:486.77:54 AM7.43:056.64:36-0.57:187:21First Quarter17Mon
18Tue8:007.45:38-0.67:167:22First Quarter18Tue
19Wed3:377.56:45-0.87:147:24First Quarter19Wed
20Thu4:087.67:50-0.87:127:25Waxing Gibbous20Thu
21Fri4:337.712:426.59:386.18:49-0.77:107:27Waxing Gibbous21Fri
22Sat4:567.72:306.310:085.19:41-0.37:087:28Waxing Gibbous22Sat
23Sun5:177.74:036.310:453.910:270.47:067:30Full Moon23Sun
24Mon5:367.75:256.411:252.511:111.57:047:31Full Moon24Mon
25Tue5:567.76:406.612:061.27:017:33Full Moon25Tue
26Wed6:147.77:506.912:470.16:597:34Waning Gibbous26Wed
27Thu6:347.79:007.112:413.91:30-0.76:577:36Waning Gibbous27Thu
28Fri6:547.610:147.21:295.02:13-1.06:557:37Waning Gibbous28Fri
29Sat7:157.411:347.42:235.92:58-1.06:537:39Waning Gibbous29Sat
30Sun7:367.13:366.53:48-0.76:517:40Third Quarter30Sun
31Mon12:557.54:44-0.26:497:42Third Quarter31Mon
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 10:41 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 Friday Harbor, WA?

Friday Harbor, WA is currently in a spring phase. Tonight's moon is 99% 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 (99% 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