Tides Today & Tomorrow in Boothbay Harbor, ME

TIDE TIMES for Monday, August 17, 2026
The tide is currently rising in Boothbay Harbor, ME.
Next low tide : 9:26 pm (0.3 ft)
Next high tide : in 4h 46m at 3:13 pm (9.6 ft)
Sunset today : 7:39 pm
Sunrise tomorrow : 5:45 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8416828
Common Questions About Tides

Boothbay Harbor, ME Tides - Nov 1927

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:027.83:068.88:521.89:350.86:134:30First Quarter1Tue
2Wed3:577.84:048.89:481.710:310.86:154:29First Quarter2Wed
3Thu4:558.05:068.910:481.611:300.66:164:27First Quarter3Thu
4Fri5:548.46:109.211:521.26:174:26Waxing Gibbous4Fri
5Sat6:539.07:139.512:300.312:560.66:194:25Waxing Gibbous5Sat
6Sun7:489.78:119.91:27-0.11:55-0.26:204:24Waxing Gibbous6Sun
7Mon8:3910.49:0610.32:20-0.62:51-0.96:214:22Full Moon7Mon
8Tue9:2811.010:0010.53:11-0.93:44-1.56:224:21Full Moon8Tue
9Wed10:1711.310:5310.54:01-1.04:36-1.86:244:20Full Moon9Wed
10Thu11:0711.511:4610.34:50-0.95:28-1.96:254:19Full Moon10Thu
11Fri11:5711.35:41-0.76:20-1.76:264:18Waning Gibbous11Fri
12Sat12:3910.012:4911.06:32-0.37:14-1.36:284:17Waning Gibbous12Sat
13Sun1:349.51:4410.47:260.28:10-0.86:294:16Waning Gibbous13Sun
14Mon2:339.12:439.98:240.79:11-0.26:304:14Third Quarter14Mon
15Tue3:358.73:469.39:271.110:130.36:324:13Third Quarter15Tue
16Wed4:378.44:508.910:321.411:150.66:334:13Third Quarter16Wed
17Thu5:378.45:538.711:381.56:344:12Third Quarter17Thu
18Fri6:358.56:548.512:150.812:421.46:364:11Waning Crescent18Fri
19Sat7:288.77:488.51:100.91:381.16:374:10Waning Crescent19Sat
20Sun8:148.98:368.61:580.92:270.86:384:09Waning Crescent20Sun
21Mon8:559.19:208.62:400.93:100.56:394:08Waning Crescent21Mon
22Tue9:329.310:008.63:180.93:490.36:414:07New Moon22Tue
23Wed10:079.410:398.63:530.94:250.26:424:07New Moon23Wed
24Thu10:429.511:178.54:271.05:000.16:434:06New Moon24Thu
25Fri11:169.511:538.45:021.15:350.16:444:05New Moon25Fri
26Sat11:509.55:371.16:110.16:464:05Waxing Crescent26Sat
27Sun12:308.312:269.46:141.26:500.16:474:04Waxing Crescent27Sun
28Mon1:088.21:069.36:541.37:320.26:484:04Waxing Crescent28Mon
29Tue1:508.11:519.27:391.48:180.36:494:03Waxing Crescent29Tue
30Wed2:398.12:429.18:291.49:100.36:504:03First Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8416828)

Common Questions About Boothbay Harbor, ME Tides

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What time does the tide turn (slack tide) in Boothbay Harbor, ME today?

Slack tide in Boothbay Harbor, ME is approximately 6:19 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 Boothbay Harbor, ME?

Boothbay Harbor, ME is currently in a transitional phase. Tonight's moon is 27% 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 Boothbay Harbor, ME 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 Boothbay Harbor, ME?

Tide predictions for Boothbay Harbor, ME 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 Boothbay Harbor, ME?

Tide data for Boothbay Harbor, ME is sourced from NOAA Station #8416828. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8416828.

What is the moon phase in Boothbay Harbor, ME tonight?

Tonight the moon over Boothbay Harbor, ME is Waxing Crescent (27% illuminated). This places Boothbay Harbor, ME 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