43.8486’ N, 69.6272’ W

Boothbay Harbor, ME

66°
H -°
L 48°
N
5mph
High tide
7:58 pm

Tides Today & Tomorrow in Boothbay Harbor, ME

TIDE TIMES for Monday, September 21, 2026
The tide is currently rising in Boothbay Harbor, ME.
Next low tide (tomorrow) : 2:27 am (1.3 ft)
Next high tide : in 4h 01m at 7:58 pm (8.5 ft)
Sunset today : 6:38 pm
Sunrise tomorrow : 6:24 am
Moon phase : Waxing Gibbous (75% illuminated)
Tide Station Location : Station #8416828
Common Questions About Tides

Boothbay Harbor, ME Tides - Sep 1850

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:378.45:589.811:360.85:056:19Waning Crescent1Sun
2Mon6:438.67:0410.112:260.112:400.55:066:17Waning Crescent2Mon
3Tue7:489.08:0610.51:30-0.31:440.25:076:15Waning Crescent3Tue
4Wed8:479.59:0510.92:30-0.72:44-0.35:086:13New Moon4Wed
5Thu9:4210.010:0111.13:25-1.13:41-0.75:106:12New Moon5Thu
6Fri10:3510.310:5511.24:18-1.44:36-1.05:116:10New Moon6Fri
7Sat11:2610.611:4811.05:09-1.55:29-1.15:126:08New Moon7Sat
8Sun12:1510.65:58-1.36:21-1.15:136:06Waxing Crescent8Sun
9Mon12:3910.71:0410.56:46-0.97:13-0.85:146:04Waxing Crescent9Mon
10Tue1:3110.11:5410.27:36-0.48:07-0.45:156:03Waxing Crescent10Tue
11Wed2:259.52:469.88:270.29:030.15:166:01First Quarter11Wed
12Thu3:228.93:419.49:210.710:020.55:175:59First Quarter12Thu
13Fri4:218.44:389.010:171.211:020.85:195:57First Quarter13Fri
14Sat5:218.15:378.811:161.55:205:55First Quarter14Sat
15Sun6:217.96:378.712:051.012:181.75:215:53Waxing Gibbous15Sun
16Mon7:198.07:338.81:051.01:171.65:225:52Waxing Gibbous16Mon
17Tue8:108.28:229.01:580.92:081.45:235:50Waxing Gibbous17Tue
18Wed8:558.49:079.22:440.72:531.15:245:48Waxing Gibbous18Wed
19Thu9:368.79:479.43:240.53:330.85:255:46Full Moon19Thu
20Fri10:148.910:269.54:000.34:110.65:275:44Full Moon20Fri
21Sat10:499.211:039.54:340.24:470.45:285:42Full Moon21Sat
22Sun11:229.311:389.55:070.25:230.25:295:40Full Moon22Sun
23Mon11:559.55:400.26:000.15:305:39Waning Gibbous23Mon
24Tue12:159.412:309.66:160.26:390.05:315:37Waning Gibbous24Tue
25Wed12:539.31:079.76:540.37:210.05:325:35Waning Gibbous25Wed
26Thu1:359.11:499.77:360.48:080.05:345:33Waning Gibbous26Thu
27Fri2:238.92:389.68:240.69:010.15:355:31Third Quarter27Fri
28Sat3:188.73:359.69:170.810:000.25:365:29Third Quarter28Sat
29Sun4:188.54:369.610:170.911:030.25:375:28Third Quarter29Sun
30Mon5:248.65:439.711:210.85:385:26Waning Crescent30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8416828)

Common Questions About Boothbay Harbor, ME Tides

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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 75% 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 Gibbous (75% 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