44.2759’ N, 68.3187’ W

Southwest Harbor, ME

45°
H -°
L 39°
WNW
6mph
High tide
8:42 am

Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Wednesday, October 7, 2026
The tide is currently rising in Southwest Harbor, ME.
Next low tide : 2:25 pm (0.5 ft)
Next high tide : in 6h 34m at 8:42 am (10.3 ft)
Sunset today : 6:03 pm
Sunrise tomorrow : 6:38 am
Moon phase : Waning Crescent (10% illuminated)
Tide Station Location : Station #8413564
Common Questions About Tides

Southwest Harbor, ME Tides - Apr 1860

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:5410.46:389.711:560.35:176:04Waxing Gibbous1Sun
2Mon7:0010.87:3710.512:190.712:58-0.25:156:05Waxing Gibbous2Mon
3Tue8:0111.38:3211.31:220.01:54-0.75:136:07Waxing Gibbous3Tue
4Wed8:5811.79:2312.02:20-0.82:46-1.05:116:08Full Moon4Wed
5Thu9:5111.910:1212.43:13-1.43:35-1.15:106:09Full Moon5Thu
6Fri10:4212.011:0012.64:05-1.74:24-1.15:086:10Full Moon6Fri
7Sat11:3311.811:4712.54:55-1.85:12-0.85:066:11Waning Gibbous7Sat
8Sun12:2311.35:45-1.66:01-0.35:046:13Waning Gibbous8Sun
9Mon12:3612.11:1410.86:36-1.16:520.35:026:14Waning Gibbous9Mon
10Tue1:2711.52:0810.17:29-0.57:450.95:016:15Waning Gibbous10Tue
11Wed2:2010.83:049.58:240.18:421.44:596:16Third Quarter11Wed
12Thu3:1810.24:049.19:230.79:431.84:576:18Third Quarter12Thu
13Fri4:209.75:068.810:231.110:462.04:556:19Third Quarter13Fri
14Sat5:239.46:068.911:241.311:471.94:546:20Third Quarter14Sat
15Sun6:249.37:019.112:201.34:526:21Waning Crescent15Sun
16Mon7:209.47:499.412:441.61:101.24:506:22Waning Crescent16Mon
17Tue8:099.68:319.81:341.31:541.14:496:24Waning Crescent17Tue
18Wed8:539.79:1010.12:190.92:351.04:476:25Waning Crescent18Wed
19Thu9:339.99:4510.42:590.63:110.94:456:26New Moon19Thu
20Fri10:1110.010:1910.63:370.33:460.94:446:27New Moon20Fri
21Sat10:4710.010:5310.84:130.24:201.04:426:29New Moon21Sat
22Sun11:2310.011:2710.94:480.04:551.14:406:30New Moon22Sun
23Mon12:019.95:250.05:321.14:396:31Waxing Crescent23Mon
24Tue12:0510.912:419.86:040.06:121.24:376:32Waxing Crescent24Tue
25Wed12:4710.91:259.76:480.16:571.34:366:33Waxing Crescent25Wed
26Thu1:3310.82:159.67:360.27:481.44:346:35Waxing Crescent26Thu
27Fri2:2610.73:109.58:300.38:461.44:336:36First Quarter27Fri
28Sat3:2510.54:109.69:280.39:501.34:316:37First Quarter28Sat
29Sun4:2910.45:139.910:300.310:571.04:306:38First Quarter29Sun
30Mon5:3610.56:1510.411:320.24:286:39Waxing Gibbous30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8413564)

Common Questions About Southwest Harbor, ME Tides

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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 10% 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 Waning Crescent (10% 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