Tides Today & Tomorrow in Westport, Grays Harbor, WA

TIDE TIMES for Monday, August 17, 2026
The tide is currently falling in Westport, Grays Harbor, WA.
Next low tide : in 5h 38m at 11:06 pm (0.7 ft)
Next high tide (tomorrow) : 5:24 am (6.8 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 6:17 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9441102
Common Questions About Tides

Westport, Grays Harbor, WA Tides - Aug 1930

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:476.46:028.711:221.74:557:49First Quarter1Fri
2Sat7:035.96:558.612:400.712:182.74:567:48First Quarter2Sat
3Sun8:285.87:528.51:490.51:233.54:577:47Waxing Gibbous3Sun
4Mon9:476.18:508.52:540.32:303.94:597:45Waxing Gibbous4Mon
5Tue10:486.59:448.63:510.03:323.95:007:44Waxing Gibbous5Tue
6Wed11:356.910:338.74:39-0.24:253.75:017:42Waxing Gibbous6Wed
7Thu12:137.25:22-0.45:123.55:027:41Full Moon7Thu
8Fri12:477.46:00-0.65:553.15:047:39Full Moon8Fri
9Sat12:008.91:197.56:35-0.66:342.85:057:38Full Moon9Sat
10Sun12:388.81:507.77:08-0.67:122.55:067:36Full Moon10Sun
11Mon1:158.62:197.87:39-0.57:492.25:087:35Waning Gibbous11Mon
12Tue1:518.22:487.88:09-0.28:272.05:097:33Waning Gibbous12Tue
13Wed2:277.83:167.98:370.39:061.85:107:31Waning Gibbous13Wed
14Thu3:067.23:448.09:050.99:491.65:117:30Waning Gibbous14Thu
15Fri3:526.64:158.09:341.610:391.55:137:28Third Quarter15Fri
16Sat4:486.14:518.110:072.411:381.35:147:26Third Quarter16Sat
17Sun6:005.65:398.210:523.25:157:25Third Quarter17Sun
18Mon7:305.56:428.312:471.012:023.85:177:23Third Quarter18Mon
19Tue8:555.87:558.61:580.51:334.15:187:21Waning Crescent19Tue
20Wed10:026.39:059.03:04-0.22:513.95:197:19Waning Crescent20Wed
21Thu10:567.010:089.54:03-0.93:553.35:217:18Waning Crescent21Thu
22Fri11:437.611:069.94:55-1.54:532.65:227:16New Moon22Fri
23Sat12:278.25:43-1.95:461.85:237:14New Moon23Sat
24Sun12:0110.11:078.76:28-2.16:371.05:247:12New Moon24Sun
25Mon12:5310.01:479.17:10-1.87:270.45:267:10Waxing Crescent25Mon
26Tue1:449.62:269.47:51-1.38:170.05:277:08Waxing Crescent26Tue
27Wed2:358.93:059.48:32-0.49:08-0.15:287:07Waxing Crescent27Wed
28Thu3:288.13:459.39:130.710:010.15:307:05Waxing Crescent28Thu
29Fri4:257.34:279.09:571.810:580.35:317:03First Quarter29Fri
30Sat5:296.65:148.610:472.95:327:01First Quarter30Sat
31Sun6:446.16:108.212:010.711:47 AM3.85:346:59First Quarter31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9441102)

Common Questions About Westport, Grays Harbor, WA Tides

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

Slack tide in Westport, Grays Harbor, WA is approximately 2:15 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 Westport, Grays Harbor, WA?

Westport, Grays Harbor, WA is currently in a transitional phase. Tonight's moon is 28% 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 Westport, Grays 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 Westport, Grays Harbor, WA?

Tide predictions for Westport, Grays 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 Westport, Grays Harbor, WA?

Tide data for Westport, Grays Harbor, WA is sourced from NOAA Station #9441102. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9441102.

What is the moon phase in Westport, Grays Harbor, WA tonight?

Tonight the moon over Westport, Grays Harbor, WA is Waxing Crescent (28% illuminated). This places Westport, Grays 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