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 34m at 7:49 am (-0.2 ft)
Next high tide : 1:32 pm (4.3 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 - Sep 2007

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:145.73:346.19:53-0.210:33-0.46:057:14Waning Gibbous1Sat
2Sun4:085.34:266.110:40-0.111:31-0.36:067:12Third Quarter2Sun
3Mon5:065.05:245.911:320.06:077:10Third Quarter3Mon
4Tue6:094.76:275.712:33-0.112:310.26:087:09Third Quarter4Tue
5Wed7:164.57:355.51:39-0.11:350.36:097:07Third Quarter5Wed
6Thu8:234.48:425.52:430.02:400.36:107:05Waning Crescent6Thu
7Fri9:264.59:465.53:45-0.13:430.36:117:04Waning Crescent7Fri
8Sat10:254.610:435.54:43-0.24:420.26:127:02Waning Crescent8Sat
9Sun11:174.811:355.65:35-0.25:380.16:137:00New Moon9Sun
10Mon12:045.06:22-0.26:280.06:146:58New Moon10Mon
11Tue12:215.612:455.27:03-0.17:150.06:156:57New Moon11Tue
12Wed1:035.51:245.37:420.07:590.06:166:55New Moon12Wed
13Thu1:445.32:005.38:180.18:410.16:176:53Waxing Crescent13Thu
14Fri2:245.12:365.38:520.39:220.16:186:52Waxing Crescent14Fri
15Sat3:064.83:115.29:250.410:030.26:196:50Waxing Crescent15Sat
16Sun3:484.53:485.19:580.510:450.26:206:48Waxing Crescent16Sun
17Mon4:334.24:274.910:340.511:310.36:216:46First Quarter17Mon
18Tue5:204.05:114.811:150.66:226:45First Quarter18Tue
19Wed6:133.86:034.712:220.412:030.76:236:43First Quarter19Wed
20Thu7:103.77:024.71:190.41:000.76:246:41First Quarter20Thu
21Fri8:063.88:044.82:170.42:010.66:266:39Waxing Gibbous21Fri
22Sat9:004.09:025.13:120.33:010.56:276:38Waxing Gibbous22Sat
23Sun9:494.39:585.34:040.13:590.36:286:36Waxing Gibbous23Sun
24Mon10:364.710:505.64:530.04:560.16:296:34Waxing Gibbous24Mon
25Tue11:205.211:395.85:40-0.15:51-0.26:306:32Full Moon25Tue
26Wed12:035.76:24-0.26:44-0.46:316:31Full Moon26Wed
27Thu12:275.912:466.17:08-0.27:36-0.56:326:29Full Moon27Thu
28Fri1:145.91:316.47:52-0.28:29-0.66:336:27Waning Gibbous28Fri
29Sat2:045.82:186.58:38-0.29:23-0.56:346:25Waning Gibbous29Sat
30Sun2:565.53:096.59:27-0.110:18-0.46:356:24Waning Gibbous30Sun
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 10:40 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 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