Tides Today & Tomorrow in Falmouth Harbor, MA

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently rising in Falmouth Harbor, MA.
Next low tide : 4:22 pm (0.1 ft)
Next high tide : in 3h 30m at 10:17 am (1.3 ft)
Sunset today : 7:47 pm
Sunrise tomorrow : 5:47 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #8447865
Common Questions About Tides

Falmouth Harbor, MA Tides - Dec 1973

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:001.23:071.39:050.39:360.16:494:13First Quarter1Sat
2Sun3:461.23:571.29:560.310:230.26:504:13First Quarter2Sun
3Mon4:341.24:491.210:490.211:120.26:514:12First Quarter3Mon
4Tue5:211.35:431.211:420.26:524:12First Quarter4Tue
5Wed6:101.36:371.212:010.212:370.16:534:12Waxing Gibbous5Wed
6Thu7:001.47:321.312:520.11:310.16:544:12Waxing Gibbous6Thu
7Fri7:501.58:261.31:440.12:250.06:554:12Waxing Gibbous7Fri
8Sat8:401.59:181.32:350.13:17-0.16:564:12Full Moon8Sat
9Sun9:301.610:101.43:270.04:09-0.26:574:12Full Moon9Sun
10Mon10:211.711:031.44:180.05:00-0.26:584:12Full Moon10Mon
11Tue11:141.711:561.45:10-0.15:51-0.26:584:12Waning Gibbous11Tue
12Wed12:081.76:03-0.16:43-0.26:594:12Waning Gibbous12Wed
13Thu12:511.41:041.66:57-0.17:36-0.27:004:12Waning Gibbous13Thu
14Fri1:461.42:001.57:530.08:30-0.17:014:13Waning Gibbous14Fri
15Sat2:421.43:001.58:520.09:26-0.17:024:13Third Quarter15Sat
16Sun3:411.44:031.49:540.110:240.07:024:13Third Quarter16Sun
17Mon4:411.45:071.310:580.111:220.17:034:13Third Quarter17Mon
18Tue5:401.46:111.212:020.17:034:14Waning Crescent18Tue
19Wed6:381.47:151.212:200.11:050.17:044:14Waning Crescent19Wed
20Thu7:341.48:141.21:170.22:050.17:054:15Waning Crescent20Thu
21Fri8:251.49:061.22:110.22:580.17:054:15Waning Crescent21Fri
22Sat9:111.49:511.23:000.23:450.07:064:16New Moon22Sat
23Sun9:531.410:321.23:440.24:260.07:064:16New Moon23Sun
24Mon10:331.411:121.24:260.25:050.07:074:17New Moon24Mon
25Tue11:121.411:501.25:060.25:430.07:074:17New Moon25Tue
26Wed11:511.45:460.26:200.07:074:18Waxing Crescent26Wed
27Thu12:281.212:301.46:260.26:580.07:084:19Waxing Crescent27Thu
28Fri1:051.21:091.47:070.27:350.07:084:19Waxing Crescent28Fri
29Sat1:431.21:491.37:480.28:150.17:084:20Waxing Crescent29Sat
30Sun2:221.22:321.38:320.28:560.17:084:21Waxing Crescent30Sun
31Mon3:031.33:181.39:190.29:400.17:084:22First Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447865)

Common Questions About Falmouth Harbor, MA Tides

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

Slack tide in Falmouth Harbor, MA is approximately 1:19 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 Falmouth Harbor, MA?

Falmouth Harbor, MA is currently in a spring phase. Tonight's moon is 2% 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 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 New Moon (2% illuminated). This places Falmouth Harbor, 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