Tides Today & Tomorrow in Chatham, MA

TIDE TIMES for Monday, June 22, 2026
The tide is currently rising in Chatham, MA.
Next low tide (tomorrow) : 1:59 am (0.0 ft)
Next high tide : in 4h 15m at 7:24 pm (5.1 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:05 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8447435
Common Questions About Tides

Chatham, MA Tides - Oct 2017

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:354.39:424.93:370.13:400.36:376:21Waxing Gibbous1Sun
2Mon10:204.510:295.14:260.04:330.26:386:19Waxing Gibbous2Mon
3Tue11:024.911:145.35:12-0.15:230.06:396:18Waxing Gibbous3Tue
4Wed11:405.211:565.55:56-0.16:12-0.16:406:16Full Moon4Wed
5Thu12:175.66:38-0.26:59-0.36:416:14Full Moon5Thu
6Fri12:385.712:555.97:19-0.27:47-0.46:426:13Full Moon6Fri
7Sat1:215.71:366.18:02-0.18:36-0.46:436:11Waning Gibbous7Sat
8Sun2:075.72:206.38:46-0.19:26-0.46:446:09Waning Gibbous8Sun
9Mon2:565.63:096.39:33-0.110:19-0.46:456:08Waning Gibbous9Mon
10Tue3:505.44:026.210:230.011:15-0.36:466:06Waning Gibbous10Tue
11Wed4:485.25:016.011:180.16:476:04Third Quarter11Wed
12Thu5:505.06:055.812:15-0.212:200.26:496:03Third Quarter12Thu
13Fri6:574.97:145.61:17-0.21:250.26:506:01Third Quarter13Fri
14Sat8:035.08:225.62:19-0.22:310.16:516:00Waning Crescent14Sat
15Sun9:055.19:265.63:19-0.33:330.06:525:58Waning Crescent15Sun
16Mon10:025.310:245.64:15-0.34:33-0.16:535:57Waning Crescent16Mon
17Tue10:555.511:185.75:08-0.35:29-0.36:545:55Waning Crescent17Tue
18Wed11:425.75:56-0.36:21-0.36:555:53New Moon18Wed
19Thu12:065.612:265.86:41-0.27:09-0.46:565:52New Moon19Thu
20Fri12:515.61:065.97:23-0.17:55-0.36:585:50New Moon20Fri
21Sat1:355.41:455.88:030.18:39-0.36:595:49New Moon21Sat
22Sun2:185.22:255.78:420.29:21-0.27:005:47Waxing Crescent22Sun
23Mon3:035.03:045.59:200.410:03-0.17:015:46Waxing Crescent23Mon
24Tue3:484.73:455.39:590.410:460.07:025:45Waxing Crescent24Tue
25Wed4:344.54:295.010:390.511:300.17:035:43Waxing Crescent25Wed
26Thu5:234.35:164.811:240.57:055:42First Quarter26Thu
27Fri6:144.16:094.712:180.112:140.57:065:40First Quarter27Fri
28Sat7:084.17:064.61:090.11:100.57:075:39First Quarter28Sat
29Sun8:004.28:034.62:010.12:080.47:085:38First Quarter29Sun
30Mon8:494.48:574.82:510.13:040.37:095:36Waxing Gibbous30Mon
31Tue9:354.79:495.03:400.03:590.17:115:35Waxing Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447435)

Common Questions About Chatham, MA Tides

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

Slack tide in Chatham, MA is approximately 10:41 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 Chatham, MA?

Chatham, MA is currently in a neap phase. Tonight's moon is 58% 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 minimum.

What datum are Chatham, 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 Chatham, MA?

Tide predictions for Chatham, 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 Chatham, MA?

Tide data for Chatham, MA is sourced from NOAA Station #8447435. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447435.

What is the moon phase in Chatham, MA tonight?

Tonight the moon over Chatham, MA is First Quarter (58% illuminated). This places Chatham, MA in a neap tide cycle, so tidal ranges are near their weekly minimum 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