Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Monday, June 8, 2026
The tide is currently rising in Southwest Harbor, ME.
Next low tide : 11:06 pm (1.4 ft)
Next high tide : in 2h 50m at 5:20 pm (9.9 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 4:49 am
Moon phase : Third Quarter (47% illuminated)
Tide Station Location : Station #8413564
Common Questions About Tides

Southwest Harbor, ME Tides - Jul 2033

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:2210.92:5710.38:190.28:381.24:538:20Waxing Crescent1Fri
2Sat3:0910.43:4210.19:030.59:261.44:548:20First Quarter2Sat
3Sun3:5610.04:289.99:470.910:151.54:548:20First Quarter3Sun
4Mon4:459.55:169.810:341.211:071.64:558:20First Quarter4Mon
5Tue5:389.26:059.811:221.54:568:19First Quarter5Tue
6Wed6:329.06:569.912:001.612:121.64:568:19First Quarter6Wed
7Thu7:268.97:4610.112:531.41:031.74:578:19Waxing Gibbous7Thu
8Fri8:199.18:3410.31:451.21:531.64:588:18Waxing Gibbous8Fri
9Sat9:099.39:2110.72:350.82:421.44:588:18Waxing Gibbous9Sat
10Sun9:569.610:0611.13:210.43:281.14:598:17Full Moon10Sun
11Mon10:4110.010:5011.54:060.04:130.85:008:17Full Moon11Mon
12Tue11:2510.411:3511.84:49-0.44:590.55:018:16Full Moon12Tue
13Wed12:0910.85:33-0.75:450.25:028:16Full Moon13Wed
14Thu12:2012.012:5511.16:18-0.96:330.05:038:15Waning Gibbous14Thu
15Fri1:0812.11:4211.47:04-1.07:23-0.15:048:14Waning Gibbous15Fri
16Sat1:5812.02:3211.57:53-1.08:16-0.25:048:13Waning Gibbous16Sat
17Sun2:5111.73:2411.68:43-0.89:13-0.15:058:13Third Quarter17Sun
18Mon3:4711.34:2011.59:37-0.510:13-0.15:068:12Third Quarter18Mon
19Tue4:4710.85:1811.510:35-0.111:160.05:078:11Third Quarter19Tue
20Wed5:5110.56:2011.411:350.25:088:10Third Quarter20Wed
21Thu6:5710.27:2211.412:210.012:380.45:098:09Waning Crescent21Thu
22Fri8:0110.18:2311.51:25-0.11:400.55:108:08Waning Crescent22Fri
23Sat9:0210.29:2011.62:25-0.32:400.55:118:07Waning Crescent23Sat
24Sun9:5810.410:1311.73:22-0.53:350.45:128:06New Moon24Sun
25Mon10:4910.511:0211.74:13-0.64:260.45:138:05New Moon25Mon
26Tue11:3610.611:4811.65:00-0.55:130.45:148:04New Moon26Tue
27Wed12:1910.65:45-0.45:570.55:158:03New Moon27Wed
28Thu12:3111.41:0110.66:26-0.26:400.65:178:02Waxing Crescent28Thu
29Fri1:1211.11:4110.57:060.07:220.85:188:01Waxing Crescent29Fri
30Sat1:5310.72:2010.37:450.38:031.05:198:00Waxing Crescent30Sat
31Sun2:3410.33:0110.28:240.78:461.25:207:59Waxing Crescent31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8413564)

Common Questions About Southwest Harbor, ME Tides

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

Slack tide in Southwest Harbor, ME is approximately 8:13 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 Southwest Harbor, ME?

Southwest Harbor, ME is currently in a neap phase. Tonight's moon is 47% 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 minimum.

What datum are Southwest 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 Southwest Harbor, ME?

Tide predictions for Southwest 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 Southwest Harbor, ME?

Tide data for Southwest Harbor, ME is sourced from NOAA Station #8413564. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8413564.

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

Tonight the moon over Southwest Harbor, ME is Third Quarter (47% illuminated). This places Southwest Harbor, ME in a neap tide cycle, so tidal ranges are near their weekly minimum 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