Tides Today & Tomorrow in Wellfleet Harbor, MA

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Wellfleet Harbor, MA.
Next low tide (tomorrow) : in 5h 08m at 1:54 am (1.8 ft)
Next high tide (tomorrow) : 7:54 am (8.3 ft)
Sunset today : 7:31 pm
Sunrise tomorrow : 5:54 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8446613
Common Questions About Tides

Wellfleet Harbor, MA Tides - Nov 1927

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:398.83:4510.09:532.110:341.16:114:35First Quarter1Tue
2Wed4:338.84:429.910:492.111:301.06:134:34First Quarter2Wed
3Thu5:299.05:4110.111:481.96:144:33First Quarter3Thu
4Fri6:269.46:4210.312:260.812:481.46:154:32Waxing Gibbous4Fri
5Sat7:2310.17:4310.71:230.41:480.86:164:30Waxing Gibbous5Sat
6Sun8:1710.88:4111.12:180.02:470.06:174:29Waxing Gibbous6Sun
7Mon9:0911.69:3611.43:12-0.53:42-0.86:194:28Full Moon7Mon
8Tue9:5812.210:2911.64:03-0.84:35-1.56:204:27Full Moon8Tue
9Wed10:4712.711:2211.64:53-1.05:27-1.96:214:26Full Moon9Wed
10Thu11:3712.85:42-0.96:19-2.06:224:25Full Moon10Thu
11Fri12:1511.412:2812.66:33-0.77:11-1.86:244:24Waning Gibbous11Fri
12Sat1:1011.01:2112.37:24-0.28:04-1.36:254:23Waning Gibbous12Sat
13Sun2:0410.62:1411.78:170.38:58-0.76:264:22Waning Gibbous13Sun
14Mon3:0110.13:1111.09:120.99:55-0.16:274:21Third Quarter14Mon
15Tue4:019.74:1210.410:111.410:560.56:294:20Third Quarter15Tue
16Wed5:039.45:159.911:141.711:560.96:304:19Third Quarter16Wed
17Thu6:049.36:189.612:161.86:314:18Third Quarter17Thu
18Fri7:019.47:189.512:531.11:171.86:324:17Waning Crescent18Fri
19Sat7:539.68:139.51:471.22:141.56:334:17Waning Crescent19Sat
20Sun8:409.99:029.52:361.23:051.26:354:16Waning Crescent20Sun
21Mon9:2110.19:459.63:201.23:490.96:364:15Waning Crescent21Mon
22Tue9:5810.410:259.64:001.14:300.66:374:14New Moon22Tue
23Wed10:3410.511:049.64:381.15:080.46:384:14New Moon23Wed
24Thu11:0910.611:439.55:151.15:470.26:394:13New Moon24Thu
25Fri11:4610.65:531.26:250.26:414:13New Moon25Fri
26Sat12:229.412:2410.66:321.37:050.26:424:12Waxing Crescent26Sat
27Sun1:029.31:0310.67:121.47:460.36:434:12Waxing Crescent27Sun
28Mon1:439.11:4510.57:541.58:300.36:444:11Waxing Crescent28Mon
29Tue2:279.12:3010.48:391.69:160.46:454:11Waxing Crescent29Tue
30Wed3:159.13:2010.29:291.710:080.56:464:10First Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8446613)

Common Questions About Wellfleet Harbor, MA Tides

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What time does the tide turn (slack tide) in Wellfleet Harbor, MA today?

Slack tide in Wellfleet Harbor, MA is approximately 4:54 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 Wellfleet Harbor, MA?

Wellfleet Harbor, MA is currently in a transitional phase. Tonight's moon is 65% 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 Wellfleet Harbor, MA 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 Wellfleet Harbor, MA?

Tide predictions for Wellfleet Harbor, MA 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 Wellfleet Harbor, MA?

Tide data for Wellfleet Harbor, MA is sourced from NOAA Station #8446613. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8446613.

What is the moon phase in Wellfleet Harbor, MA tonight?

Tonight the moon over Wellfleet Harbor, MA is First Quarter (65% illuminated). This places Wellfleet Harbor, MA 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