Tides Today & Tomorrow in Harwich Port, MA

TIDE TIMES for Wednesday, July 15, 2026
The tide is currently falling in Harwich Port, MA.
Next low tide : in 37m at 7:00 pm (0.0 ft)
Next high tide (tomorrow) : 1:42 am (4.6 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 5:19 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #8447506
Common Questions About Tides

Harwich Port, MA Tides - Oct 2067

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:263.37:403.612:400.512:530.86:376:22Third Quarter1Sat
2Sun8:243.38:393.61:380.61:520.86:386:20Waning Crescent2Sun
3Mon9:183.49:343.62:330.62:480.76:396:18Waning Crescent3Mon
4Tue10:073.510:233.63:230.53:400.66:406:17Waning Crescent4Tue
5Wed10:503.611:073.74:080.54:260.56:416:15Waning Crescent5Wed
6Thu11:283.811:483.84:480.45:080.36:426:13New Moon6Thu
7Fri12:043.95:260.35:480.26:436:12New Moon7Fri
8Sat12:263.812:404.06:030.36:270.16:456:10New Moon8Sat
9Sun1:053.81:164.06:400.37:070.06:466:08New Moon9Sun
10Mon1:443.81:534.17:190.37:480.06:476:07Waxing Crescent10Mon
11Tue2:243.72:334.17:590.38:300.06:486:05Waxing Crescent11Tue
12Wed3:073.73:164.18:410.39:160.06:496:04Waxing Crescent12Wed
13Thu3:533.64:034.19:270.410:050.16:506:02Waxing Crescent13Thu
14Fri4:433.54:554.010:190.511:000.16:516:00First Quarter14Fri
15Sat5:393.55:544.011:170.511:590.26:525:59First Quarter15Sat
16Sun6:403.56:573.912:190.56:535:57First Quarter16Sun
17Mon7:423.68:024.012:590.11:220.46:555:56Waxing Gibbous17Mon
18Tue8:433.89:064.01:590.12:260.26:565:54Waxing Gibbous18Tue
19Wed9:424.010:084.12:570.03:270.06:575:53Waxing Gibbous19Wed
20Thu10:374.211:054.23:54-0.14:25-0.26:585:51Waxing Gibbous20Thu
21Fri11:284.411:584.24:46-0.25:18-0.46:595:50Full Moon21Fri
22Sat12:164.55:36-0.26:09-0.57:005:48Full Moon22Sat
23Sun12:494.21:044.56:24-0.16:58-0.57:015:47Full Moon23Sun
24Mon1:394.11:514.47:110.07:47-0.47:035:45Waning Gibbous24Mon
25Tue2:293.92:384.37:590.18:35-0.27:045:44Waning Gibbous25Tue
26Wed3:183.83:264.18:460.39:230.07:055:42Waning Gibbous26Wed
27Thu4:073.64:153.99:340.510:130.27:065:41Waning Gibbous27Thu
28Fri4:583.55:063.810:250.611:060.47:075:40Third Quarter28Fri
29Sat5:513.46:023.611:200.87:095:38Third Quarter29Sat
30Sun6:463.36:593.512:000.512:170.87:105:37Third Quarter30Sun
31Mon7:403.37:553.412:530.61:130.87:115:36Third Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447506)

Common Questions About Harwich Port, MA Tides

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What time does the tide turn (slack tide) in Harwich Port, MA today?

Slack tide in Harwich Port, MA is approximately 10:21 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 Harwich Port, MA?

Harwich Port, MA is currently in a spring phase. Tonight's moon is 2% 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 Harwich Port, 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 Harwich Port, MA?

Tide predictions for Harwich Port, 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 Harwich Port, MA?

Tide data for Harwich Port, MA is sourced from NOAA Station #8447506. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447506.

What is the moon phase in Harwich Port, MA tonight?

Tonight the moon over Harwich Port, MA is New Moon (2% illuminated). This places Harwich Port, MA 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