Tides Today & Tomorrow in Chatham, MA

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently falling in Chatham, MA.
Next low tide : in 3h 19m at 7:31 pm (0.5 ft)
Next high tide (tomorrow) : 1:24 am (5.4 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:08 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8447435
Common Questions About Tides

Chatham, MA Tides - Aug 2049

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:075.22:354.88:54-0.29:020.25:347:57Waxing Crescent1Sun
2Mon2:435.13:084.99:28-0.19:430.15:357:56Waxing Crescent2Mon
3Tue3:205.03:424.910:02-0.110:240.15:367:55Waxing Crescent3Tue
4Wed4:014.84:205.010:36-0.111:090.15:377:53Waxing Crescent4Wed
5Thu4:454.65:025.111:140.05:387:52First Quarter5Thu
6Fri5:354.45:515.212:000.111:58 AM0.05:397:51First Quarter6Fri
7Sat6:324.36:485.312:590.112:500.15:407:50First Quarter7Sat
8Sun7:354.27:495.52:020.11:500.15:417:48Waxing Gibbous8Sun
9Mon8:384.38:525.73:050.02:530.15:427:47Waxing Gibbous9Mon
10Tue9:394.59:546.04:07-0.13:580.05:437:46Waxing Gibbous10Tue
11Wed10:384.910:546.25:06-0.35:02-0.15:447:44Waxing Gibbous11Wed
12Thu11:345.211:506.46:02-0.46:03-0.35:467:43Full Moon12Thu
13Fri12:265.66:54-0.67:01-0.45:477:42Full Moon13Fri
14Sat12:446.51:175.97:44-0.67:57-0.55:487:40Full Moon14Sat
15Sun1:376.42:086.08:32-0.78:52-0.55:497:39Waning Gibbous15Sun
16Mon2:306.23:006.19:20-0.69:46-0.55:507:37Waning Gibbous16Mon
17Tue3:255.93:526.010:08-0.510:40-0.45:517:36Waning Gibbous17Tue
18Wed4:205.54:465.810:56-0.311:35-0.35:527:34Third Quarter18Wed
19Thu5:185.15:415.611:45-0.15:537:33Third Quarter19Thu
20Fri6:174.76:395.412:33-0.212:380.15:547:31Third Quarter20Fri
21Sat7:184.57:395.21:32-0.11:330.25:557:30Third Quarter21Sat
22Sun8:184.38:375.12:30-0.12:280.25:567:28Waning Crescent22Sun
23Mon9:144.39:325.13:26-0.13:220.25:577:27Waning Crescent23Mon
24Tue10:084.310:235.14:18-0.14:150.25:587:25Waning Crescent24Tue
25Wed10:564.511:105.25:07-0.15:050.25:597:24Waning Crescent25Wed
26Thu11:404.611:525.25:51-0.25:510.16:007:22New Moon26Thu
27Fri12:194.86:31-0.26:350.16:017:20New Moon27Fri
28Sat12:315.212:544.97:08-0.17:170.06:027:19New Moon28Sat
29Sun1:065.21:275.07:44-0.17:580.06:037:17New Moon29Sun
30Mon1:415.21:575.18:190.08:390.06:047:16Waxing Crescent30Mon
31Tue2:165.12:295.28:530.09:200.06:057:14Waxing Crescent31Tue
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 10:27 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 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 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 Full Moon (100% illuminated). This places Chatham, 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