Tides Today & Tomorrow in Harwich Port, MA

TIDE TIMES for Friday, July 3, 2026
The tide is currently rising in Harwich Port, MA.
Next low tide (tomorrow) : 9:23 am (0.2 ft)
Next high tide (tomorrow) : in 6h 15m at 3:29 am (3.9 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:10 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8447506
Common Questions About Tides

Harwich Port, MA Tides - Sep 2050

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:234.35:45-0.56:07-0.46:067:13Full Moon1Thu
2Fri12:454.61:144.56:35-0.66:59-0.66:077:12Full Moon2Fri
3Sat1:384.62:054.67:25-0.67:52-0.66:087:10Waning Gibbous3Sat
4Sun2:324.52:564.68:15-0.58:45-0.56:097:08Waning Gibbous4Sun
5Mon3:264.33:484.59:06-0.39:39-0.46:107:06Waning Gibbous5Mon
6Tue4:214.14:424.39:58-0.110:36-0.26:117:05Third Quarter6Tue
7Wed5:193.95:404.210:540.211:360.06:127:03Third Quarter7Wed
8Thu6:213.76:414.011:530.46:137:01Third Quarter8Thu
9Fri7:253.57:443.812:390.212:540.56:147:00Third Quarter9Fri
10Sat8:293.48:473.81:420.31:550.66:156:58Waning Crescent10Sat
11Sun9:303.59:473.82:440.42:560.66:166:56Waning Crescent11Sun
12Mon10:243.510:393.83:400.43:520.56:176:54Waning Crescent12Mon
13Tue11:103.611:243.84:290.34:400.46:186:53Waning Crescent13Tue
14Wed11:503.75:100.35:220.36:206:51New Moon14Wed
15Thu12:043.912:263.85:470.26:020.36:216:49New Moon15Thu
16Fri12:423.91:013.86:230.26:410.26:226:48New Moon16Fri
17Sat1:203.81:373.96:590.27:190.26:236:46New Moon17Sat
18Sun1:573.82:123.97:350.37:580.26:246:44Waxing Crescent18Sun
19Mon2:353.72:483.98:120.38:370.26:256:42Waxing Crescent19Mon
20Tue3:143.63:263.98:500.49:180.36:266:41Waxing Crescent20Tue
21Wed3:553.54:073.89:310.510:030.36:276:39Waxing Crescent21Wed
22Thu4:393.54:523.810:160.610:520.46:286:37First Quarter22Thu
23Fri5:283.45:423.811:060.611:450.46:296:35First Quarter23Fri
24Sat6:233.46:393.812:010.66:306:34First Quarter24Sat
25Sun7:213.47:383.912:420.31:000.56:316:32First Quarter25Sun
26Mon8:203.68:394.01:400.22:000.46:326:30Waxing Gibbous26Mon
27Tue9:193.89:404.22:380.13:010.26:336:28Waxing Gibbous27Tue
28Wed10:154.010:384.33:35-0.14:00-0.16:346:27Waxing Gibbous28Wed
29Thu11:084.311:334.44:29-0.34:55-0.46:356:25Full Moon29Thu
30Fri11:594.55:21-0.45:48-0.66:366:23Full Moon30Fri
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 6:26 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 Harwich Port, MA?

Harwich Port, MA is currently in a spring phase. Tonight's moon is 88% 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 Waning Gibbous (88% 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