Tides Today & Tomorrow in Falmouth Harbor, MA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Falmouth Harbor, MA.
Next low tide : in 1h 52m at 10:11 pm (0.1 ft)
Next high tide (tomorrow) : 4:10 am (1.3 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 5:40 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #8447865
Common Questions About Tides

Falmouth Harbor, MA Tides - Sep 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:511.26:081.412:040.26:087:16Third Quarter1Thu
2Fri6:511.27:081.412:490.11:020.26:097:15Waning Crescent2Fri
3Sat7:541.28:111.51:500.12:040.16:107:13Waning Crescent3Sat
4Sun8:561.39:121.52:510.03:050.16:117:11Waning Crescent4Sun
5Mon9:541.410:111.63:50-0.14:040.06:127:10New Moon5Mon
6Tue10:491.511:061.64:44-0.15:00-0.16:137:08New Moon6Tue
7Wed11:411.55:36-0.25:54-0.16:147:06New Moon7Wed
8Thu12:011.612:321.66:26-0.26:47-0.16:157:05New Moon8Thu
9Fri12:551.61:221.67:15-0.27:40-0.16:167:03Waxing Crescent9Fri
10Sat1:481.62:121.68:04-0.18:32-0.16:177:01Waxing Crescent10Sat
11Sun2:401.53:011.58:530.09:250.06:187:00Waxing Crescent11Sun
12Mon3:341.43:531.59:440.110:210.06:196:58First Quarter12Mon
13Tue4:311.34:481.410:380.211:190.16:206:56First Quarter13Tue
14Wed5:311.25:461.311:340.26:216:54First Quarter14Wed
15Thu6:321.26:451.312:200.112:330.36:226:53First Quarter15Thu
16Fri7:341.27:451.31:210.21:310.36:236:51Waxing Gibbous16Fri
17Sat8:331.28:421.32:210.22:290.36:246:49Waxing Gibbous17Sat
18Sun9:241.29:331.33:150.23:220.26:256:47Waxing Gibbous18Sun
19Mon10:081.310:161.44:000.14:080.26:266:46Waxing Gibbous19Mon
20Tue10:471.310:571.44:400.14:500.26:276:44Full Moon20Tue
21Wed11:231.311:351.45:170.15:300.16:286:42Full Moon21Wed
22Thu11:581.45:520.16:080.16:296:41Full Moon22Thu
23Fri12:121.412:321.46:280.16:470.16:306:39Full Moon23Fri
24Sat12:501.41:071.47:040.17:260.16:316:37Waning Gibbous24Sat
25Sun1:291.41:431.47:420.18:060.06:326:35Waning Gibbous25Sun
26Mon2:081.32:211.48:200.18:490.16:336:34Waning Gibbous26Mon
27Tue2:511.33:031.49:020.19:360.16:346:32Waning Gibbous27Tue
28Wed3:381.33:511.49:490.210:290.16:356:30Third Quarter28Wed
29Thu4:321.24:451.410:430.211:270.16:366:28Third Quarter29Thu
30Fri5:311.25:461.411:420.26:376:27Third Quarter30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447865)

Common Questions About Falmouth Harbor, MA Tides

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

Slack tide in Falmouth Harbor, MA is approximately 1:10 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 Falmouth Harbor, MA?

Falmouth Harbor, MA is currently in a transitional phase. Tonight's moon is 66% 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 Falmouth Harbor, 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 Falmouth Harbor, MA?

Tide predictions for Falmouth Harbor, 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 Falmouth Harbor, MA?

Tide data for Falmouth Harbor, MA is sourced from NOAA Station #8447865. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447865.

What is the moon phase in Falmouth Harbor, MA tonight?

Tonight the moon over Falmouth Harbor, MA is Third Quarter (66% illuminated). This places Falmouth Harbor, 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