Tides Today & Tomorrow in Westport, CA

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently rising in Westport, CA.
Next low tide : 9:15 am (2.1 ft)
Next high tide : in 5h 46m at 4:09 am (4.0 ft)
Sunset today : 8:08 pm
Sunrise tomorrow : 6:29 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9417624
Common Questions About Tides

Westport, CA Tides - Jul 1957

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon1:475.93:295.38:30-0.88:501.95:518:46Waxing Crescent1Mon
2Tue2:465.34:165.59:16-0.310:011.65:518:46Waxing Crescent2Tue
3Wed3:534.75:055.710:040.311:181.35:528:46First Quarter3Wed
4Thu5:114.15:565.910:550.95:528:46First Quarter4Thu
5Fri6:393.76:486.112:350.911:51 AM1.55:538:46First Quarter5Fri
6Sat8:093.77:406.21:440.412:511.95:538:45Waxing Gibbous6Sat
7Sun9:283.88:306.32:45-0.11:512.25:548:45Waxing Gibbous7Sun
8Mon10:304.09:186.33:38-0.42:492.45:558:45Waxing Gibbous8Mon
9Tue11:214.210:036.34:25-0.63:432.55:558:44Waxing Gibbous9Tue
10Wed12:044.35:08-0.74:312.55:568:44Full Moon10Wed
11Thu12:424.45:46-0.75:162.55:578:44Full Moon11Thu
12Fri1:174.56:22-0.65:592.45:578:43Full Moon12Fri
13Sat12:055.91:504.66:56-0.56:412.45:588:43Full Moon13Sat
14Sun12:435.72:234.77:29-0.27:242.35:598:42Waning Gibbous14Sun
15Mon1:225.32:564.88:010.18:102.35:598:42Waning Gibbous15Mon
16Tue2:034.93:304.88:320.59:012.26:008:41Waning Gibbous16Tue
17Wed2:494.54:054.99:040.99:592.16:018:40Waning Gibbous17Wed
18Thu3:434.04:435.09:381.311:041.96:028:40Third Quarter18Thu
19Fri4:503.65:245.210:161.76:038:39Third Quarter19Fri
20Sat6:123.46:085.412:131.611:02 AM2.16:038:38Third Quarter20Sat
21Sun7:403.46:565.61:171.211:57 AM2.46:048:38Third Quarter21Sun
22Mon8:563.57:465.92:130.712:582.56:058:37Waning Crescent22Mon
23Tue9:543.88:366.23:020.11:592.66:068:36Waning Crescent23Tue
24Wed10:404.19:266.53:48-0.42:582.56:078:35Waning Crescent24Wed
25Thu11:224.410:166.84:32-0.83:532.36:088:35New Moon25Thu
26Fri12:024.75:14-1.04:482.16:088:34New Moon26Fri
27Sat12:425.05:56-1.15:421.86:098:33New Moon27Sat
28Sun1:225.46:38-1.06:371.66:108:32Waxing Crescent28Sun
29Mon12:486.42:045.67:20-0.77:351.36:118:31Waxing Crescent29Mon
30Tue1:435.92:475.88:02-0.28:361.26:128:30Waxing Crescent30Tue
31Wed2:435.33:336.08:460.49:421.06:138:29Waxing Crescent31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9417624)

Common Questions About Westport, CA Tides

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What time does the tide turn (slack tide) in Westport, CA today?

Slack tide in Westport, CA is approximately 6:42 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, CA?

Westport, CA 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, CA 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, CA?

Tide predictions for Westport, CA 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, CA?

Tide data for Westport, CA is sourced from NOAA Station #9417624. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9417624.

What is the moon phase in Westport, CA tonight?

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