Tides Today & Tomorrow in Woods Hole – Great Harbor, MA

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Woods Hole - Great Harbor, MA.
Next low tide : in 7h 58m at 9:34 pm (0.6 ft)
Next high tide (tomorrow) : 1:32 am (1.5 ft)
Sunset today : 7:38 pm
Sunrise tomorrow : 5:54 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8447930
Common Questions About Tides

Woods Hole – Great Harbor, MA Tides - Mar 1942

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:541.98:061.61:42-0.13:00-0.17:176:32Full Moon1Sun
2Mon8:352.08:501.82:40-0.23:39-0.27:166:33Full Moon2Mon
3Tue9:172.09:351.93:35-0.34:19-0.37:146:34Full Moon3Tue
4Wed10:012.010:212.04:26-0.45:00-0.37:136:36Full Moon4Wed
5Thu10:461.911:102.15:20-0.45:46-0.27:116:37Waning Gibbous5Thu
6Fri11:351.86:21-0.36:40-0.27:096:38Waning Gibbous6Fri
7Sat12:042.112:291.77:30-0.27:38-0.17:086:39Waning Gibbous7Sat
8Sun1:002.11:241.68:38-0.28:39-0.17:066:40Third Quarter8Sun
9Mon1:582.02:201.59:47-0.29:46-0.17:056:41Third Quarter9Mon
10Tue2:572.03:181.410:56-0.210:58-0.17:036:42Third Quarter10Tue
11Wed4:001.94:201.411:57-0.37:016:44Waning Crescent11Wed
12Thu5:042.05:211.512:03-0.212:53-0.37:006:45Waning Crescent12Thu
13Fri6:002.06:151.71:03-0.21:48-0.36:586:46Waning Crescent13Fri
14Sat6:512.17:051.82:03-0.32:41-0.36:566:47Waning Crescent14Sat
15Sun7:382.17:541.92:58-0.33:28-0.36:556:48New Moon15Sun
16Mon8:242.18:412.03:46-0.44:07-0.26:536:49New Moon16Mon
17Tue9:092.09:272.14:28-0.34:40-0.16:516:50New Moon17Tue
18Wed9:541.910:132.05:07-0.25:000.06:496:51New Moon18Wed
19Thu10:381.710:591.95:47-0.15:080.16:486:53Waxing Crescent19Thu
20Fri11:241.611:471.86:330.05:310.36:466:54Waxing Crescent20Fri
21Sat12:121.47:270.16:080.46:446:55Waxing Crescent21Sat
22Sun12:381.61:011.38:220.26:570.56:436:56Waxing Crescent22Sun
23Mon1:291.51:501.29:190.37:510.56:416:57First Quarter23Mon
24Tue2:201.42:391.110:230.48:460.56:396:58First Quarter24Tue
25Wed3:131.33:311.111:120.49:440.56:386:59First Quarter25Wed
26Thu4:121.34:281.111:420.310:440.46:367:00First Quarter26Thu
27Fri5:101.45:231.312:110.26:347:01Waxing Gibbous27Fri
28Sat5:581.66:101.512:460.16:337:02Waxing Gibbous28Sat
29Sun6:401.76:541.712:310.11:280.06:317:03Waxing Gibbous29Sun
30Mon7:221.97:392.01:27-0.12:15-0.16:297:05Waxing Gibbous30Mon
31Tue8:062.08:252.22:27-0.23:01-0.26:277:06Full Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447930)

Common Questions About Woods Hole - Great Harbor, MA Tides

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What time does the tide turn (slack tide) in Woods Hole - Great Harbor, MA today?

Slack tide in Woods Hole - Great Harbor, MA is approximately 11:33 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 Woods Hole - Great Harbor, MA?

Woods Hole - Great Harbor, MA is currently in a transitional phase. Tonight's moon is 36% 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 Woods Hole - Great 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 Woods Hole - Great Harbor, MA?

Tide predictions for Woods Hole - Great 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 Woods Hole - Great Harbor, MA?

Tide data for Woods Hole - Great Harbor, MA is sourced from NOAA Station #8447930. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447930.

What is the moon phase in Woods Hole - Great Harbor, MA tonight?

Tonight the moon over Woods Hole - Great Harbor, MA is First Quarter (36% illuminated). This places Woods Hole - Great 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