Tides Today & Tomorrow in Chatham, MA

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Chatham, MA.
Next low tide : in 4h 26m at 11:41 am (-0.5 ft)
Next high tide : 5:31 pm (5.1 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 5:05 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #8447435
Common Questions About Tides

Chatham, MA Tides - Jan 2034

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:255.99:025.02:33-0.23:27-0.57:064:20Waxing Gibbous1Sun
2Mon9:236.110:015.13:31-0.24:26-0.67:064:21Waxing Gibbous2Mon
3Tue10:186.210:565.24:28-0.25:21-0.77:064:21Full Moon3Tue
4Wed11:106.311:475.35:23-0.26:13-0.87:064:22Full Moon4Wed
5Thu11:596.36:15-0.27:02-0.87:064:23Full Moon5Thu
6Fri12:375.312:476.27:05-0.27:50-0.77:064:24Waning Gibbous6Fri
7Sat1:265.31:365.97:54-0.18:35-0.67:064:25Waning Gibbous7Sat
8Sun2:145.22:255.68:420.09:18-0.57:064:26Waning Gibbous8Sun
9Mon3:035.03:145.29:290.010:00-0.37:064:27Waning Gibbous9Mon
10Tue3:514.94:054.910:170.110:43-0.27:054:28Third Quarter10Tue
11Wed4:404.74:594.511:080.111:28-0.17:054:29Third Quarter11Wed
12Thu5:314.65:554.212:030.27:054:31Third Quarter12Thu
13Fri6:224.66:534.012:150.012:590.17:044:32Third Quarter13Fri
14Sat7:144.67:493.91:030.11:540.07:044:33Waning Crescent14Sat
15Sun8:044.78:424.01:530.12:48-0.17:044:34Waning Crescent15Sun
16Mon8:524.89:324.12:430.13:40-0.27:034:35Waning Crescent16Mon
17Tue9:375.010:184.23:330.14:30-0.37:034:36Waning Crescent17Tue
18Wed10:195.311:004.44:220.15:16-0.47:024:37New Moon18Wed
19Thu10:595.511:384.65:090.06:00-0.57:024:39New Moon19Thu
20Fri11:385.75:54-0.16:43-0.57:014:40New Moon20Fri
21Sat12:164.812:195.96:40-0.17:25-0.67:004:41New Moon21Sat
22Sun12:555.11:026.07:26-0.28:07-0.67:004:42Waxing Crescent22Sun
23Mon1:375.21:485.98:15-0.38:50-0.66:594:44Waxing Crescent23Mon
24Tue2:225.42:385.89:05-0.39:35-0.66:584:45Waxing Crescent24Tue
25Wed3:115.53:325.59:58-0.310:23-0.56:574:46First Quarter25Wed
26Thu4:045.64:305.210:56-0.311:15-0.46:564:47First Quarter26Thu
27Fri5:015.65:344.912:00-0.26:564:49First Quarter27Fri
28Sat6:035.56:404.812:13-0.31:05-0.36:554:50First Quarter28Sat
29Sun7:065.67:464.71:14-0.22:10-0.36:544:51Waxing Gibbous29Sun
30Mon8:095.78:504.72:15-0.13:12-0.46:534:52Waxing Gibbous30Mon
31Tue9:105.89:494.93:16-0.24:11-0.66:524:54Waxing 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 2:36 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 transitional phase. Tonight's moon is 37% 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 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 (37% illuminated). This places Chatham, 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