Tides Today & Tomorrow in Harwich Port, MA

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently falling in Harwich Port, MA.
Next low tide : in 2h 06m at 6:51 pm (0.7 ft)
Next high tide (tomorrow) : 1:30 am (3.9 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:09 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8447506
Common Questions About Tides

Harwich Port, MA Tides - May 2047

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed4:423.75:263.310:450.310:580.75:367:38First Quarter1Wed
2Thu5:333.76:173.411:360.311:530.75:357:39First Quarter2Thu
3Fri6:283.77:113.512:290.35:347:40First Quarter3Fri
4Sat7:263.78:053.712:510.51:230.35:327:41First Quarter4Sat
5Sun8:263.88:593.91:500.42:180.25:317:42Waxing Gibbous5Sun
6Mon9:263.99:534.22:490.13:130.15:307:43Waxing Gibbous6Mon
7Tue10:244.010:454.43:47-0.14:07-0.15:297:44Waxing Gibbous7Tue
8Wed11:204.111:364.64:42-0.44:59-0.25:277:45Full Moon8Wed
9Thu12:144.15:36-0.65:50-0.25:267:46Full Moon9Thu
10Fri12:284.71:084.16:29-0.76:42-0.25:257:47Full Moon10Fri
11Sat1:204.72:034.17:21-0.77:34-0.15:247:48Waning Gibbous11Sat
12Sun2:134.72:574.08:14-0.68:270.05:237:49Waning Gibbous12Sun
13Mon3:074.53:533.99:07-0.49:210.25:227:50Waning Gibbous13Mon
14Tue4:034.34:493.710:02-0.210:180.35:217:51Waning Gibbous14Tue
15Wed5:014.05:483.610:590.011:180.55:207:52Third Quarter15Wed
16Thu6:023.86:483.611:570.25:197:53Third Quarter16Thu
17Fri7:033.67:453.612:200.612:540.45:187:54Third Quarter17Fri
18Sat8:043.58:393.61:220.61:480.55:177:55Third Quarter18Sat
19Sun9:033.49:303.72:210.62:410.65:167:56Waning Crescent19Sun
20Mon9:583.410:173.73:180.53:300.65:157:57Waning Crescent20Mon
21Tue10:483.410:593.84:080.44:150.65:157:58Waning Crescent21Tue
22Wed11:323.411:383.94:520.34:560.65:147:59Waning Crescent22Wed
23Thu12:133.55:330.25:360.65:138:00New Moon23Thu
24Fri12:163.912:523.56:120.26:150.65:128:01New Moon24Fri
25Sat12:543.91:323.56:510.16:550.65:128:02New Moon25Sat
26Sun1:324.02:123.57:310.17:350.65:118:03New Moon26Sun
27Mon2:114.02:523.58:110.18:160.65:108:04Waxing Crescent27Mon
28Tue2:524.03:333.58:510.18:590.65:108:05Waxing Crescent28Tue
29Wed3:343.94:153.59:340.19:450.65:098:05Waxing Crescent29Wed
30Thu4:193.95:013.610:190.210:350.55:098:06Waxing Crescent30Thu
31Fri5:093.95:493.711:080.211:290.55:088:07First Quarter31Fri
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 10:10 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 100% 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 Full Moon (100% 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