Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Saturday, June 13, 2026
The tide is currently rising in Southwest Harbor, ME.
Next low tide (tomorrow) : 3:52 am (-1.1 ft)
Next high tide : in 42m at 9:47 pm (12.2 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 4:48 am
Moon phase : New Moon (3% illuminated)
Tide Station Location : Station #8413564
Common Questions About Tides

Southwest Harbor, ME Tides - Jan 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:129.812:1610.75:451.16:130.27:084:04Waxing Crescent1Tue
2Wed12:489.712:5310.56:211.26:490.37:084:05Waxing Crescent2Wed
3Thu1:259.61:3210.27:001.37:270.57:084:06Waxing Crescent3Thu
4Fri2:049.62:1410.07:421.48:070.67:084:07Waxing Crescent4Fri
5Sat2:479.63:019.88:281.48:520.77:084:08First Quarter5Sat
6Sun3:349.73:529.69:191.39:410.87:084:09First Quarter6Sun
7Mon4:259.94:509.510:151.110:350.87:084:10First Quarter7Mon
8Tue5:2010.25:519.511:150.711:330.77:084:11Waxing Gibbous8Tue
9Wed6:1810.66:539.812:160.27:074:12Waxing Gibbous9Wed
10Thu7:1611.27:5310.212:320.41:16-0.47:074:13Waxing Gibbous10Thu
11Fri8:1211.88:5010.71:300.12:13-1.07:074:14Waxing Gibbous11Fri
12Sat9:0712.49:4511.12:27-0.33:08-1.67:064:16Full Moon12Sat
13Sun10:0112.810:3911.53:22-0.74:02-1.97:064:17Full Moon13Sun
14Mon10:5413.011:3111.74:16-0.94:54-2.17:064:18Full Moon14Mon
15Tue11:4812.95:10-1.05:47-2.07:054:19Waning Gibbous15Tue
16Wed12:2411.712:4212.66:05-0.96:40-1.77:044:20Waning Gibbous16Wed
17Thu1:1811.61:3712.07:01-0.77:33-1.27:044:22Waning Gibbous17Thu
18Fri2:1311.32:3411.37:59-0.38:29-0.77:034:23Third Quarter18Fri
19Sat3:0911.03:3410.68:590.19:26-0.17:034:24Third Quarter19Sat
20Sun4:0810.64:3610.010:010.410:240.57:024:25Third Quarter20Sun
21Mon5:0710.45:409.511:030.611:240.87:014:27Third Quarter21Mon
22Tue6:0610.26:429.312:050.67:004:28Waning Crescent22Tue
23Wed7:0310.27:399.312:221.11:020.57:004:29Waning Crescent23Wed
24Thu7:5510.38:319.41:161.11:540.46:594:31Waning Crescent24Thu
25Fri8:4310.59:179.52:061.12:410.26:584:32Waning Crescent25Fri
26Sat9:2610.69:589.72:510.93:230.16:574:33New Moon26Sat
27Sun10:0510.710:359.83:320.84:020.06:564:35New Moon27Sun
28Mon10:4310.811:119.94:100.84:38-0.16:554:36New Moon28Mon
29Tue11:1810.811:4510.04:460.75:12-0.16:544:38New Moon29Tue
30Wed11:5310.85:210.75:460.06:534:39Waxing Crescent30Wed
31Thu12:1910.012:2810.75:560.76:200.16:524:40Waxing Crescent31Thu
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 12:49 am — 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 spring phase. Tonight's moon is 3% 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 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 New Moon (3% illuminated). This places Southwest Harbor, ME 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