Tides Today & Tomorrow in Harwich Port, MA

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Harwich Port, MA.
Next low tide : in 5h 27m at 9:46 am (-0.3 ft)
Next high tide : 4:33 pm (3.9 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:05 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8447506
Common Questions About Tides

Harwich Port, MA Tides - Sep 2029

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:283.26:423.612:000.86:067:13Third Quarter1Sat
2Sun7:233.17:373.612:440.712:540.96:077:11Third Quarter2Sun
3Mon8:193.18:323.61:390.61:490.86:087:10Waning Crescent3Mon
4Tue9:153.29:283.82:340.52:450.76:097:08Waning Crescent4Tue
5Wed10:083.410:214.03:280.33:390.56:107:06Waning Crescent5Wed
6Thu10:563.711:114.14:170.14:310.26:117:05Waning Crescent6Thu
7Fri11:413.911:594.35:04-0.15:210.06:127:03New Moon7Fri
8Sat12:254.25:49-0.26:09-0.36:137:01New Moon8Sat
9Sun12:474.41:114.46:35-0.36:58-0.46:146:59New Moon9Sun
10Mon1:364.41:584.57:21-0.47:48-0.56:156:58Waxing Crescent10Mon
11Tue2:264.32:464.68:08-0.38:40-0.56:176:56Waxing Crescent11Tue
12Wed3:184.23:374.58:58-0.29:33-0.46:186:54Waxing Crescent12Wed
13Thu4:124.04:314.49:500.010:30-0.26:196:53First Quarter13Thu
14Fri5:113.85:294.210:460.211:310.06:206:51First Quarter14Fri
15Sat6:143.66:334.111:470.46:216:49First Quarter15Sat
16Sun7:213.57:403.912:350.112:510.56:226:47First Quarter16Sun
17Mon8:293.58:473.91:400.21:570.56:236:46Waxing Gibbous17Mon
18Tue9:343.59:513.92:450.33:010.56:246:44Waxing Gibbous18Tue
19Wed10:313.610:473.93:440.24:000.46:256:42Waxing Gibbous19Wed
20Thu11:193.711:353.94:350.24:520.36:266:40Waxing Gibbous20Thu
21Fri12:003.85:190.25:370.26:276:39Full Moon21Fri
22Sat12:183.912:383.95:580.26:180.26:286:37Full Moon22Sat
23Sun12:583.91:143.96:350.26:570.16:296:35Full Moon23Sun
24Mon1:363.81:493.97:110.37:360.26:306:33Full Moon24Mon
25Tue2:153.72:253.97:480.48:150.26:316:32Waning Gibbous25Tue
26Wed2:543.63:033.88:260.58:550.36:326:30Waning Gibbous26Wed
27Thu3:343.53:423.89:050.69:380.46:336:28Waning Gibbous27Thu
28Fri4:163.44:253.79:470.710:230.56:346:27Waning Gibbous28Fri
29Sat5:033.35:123.610:330.811:130.66:356:25Third Quarter29Sat
30Sun5:543.26:043.611:240.96:366:23Third Quarter30Sun
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 1:09 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 transitional phase. Tonight's moon is 27% 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 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 Waxing Crescent (27% illuminated). This places Harwich Port, 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