Nearby Harbors
44.2759’ N, 68.3187’ W

Southwest Harbor, ME

51°
H -°
L 45°
NNW
8mph
High tide
5:30 am
Photo Credits

Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Saturday, September 19, 2026
The tide is currently rising in Southwest Harbor, ME.
Next low tide : 11:04 am (2.4 ft)
Next high tide : in 1h 52m at 5:30 am (8.4 ft)
Sunset today : 6:36 pm
Sunrise tomorrow : 6:17 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8413564
Common Questions About Tides

Featured Local Businesses

Charles M Young Painting of Maine Coast

Clark Point Gallery
A red hull lobster yacht cruising in calm water

John Williams Boat Company
Hamilton Marine - Southwest Harbor

Hamilton Marine - Southwest Harbor
Bowden Marine

Bowden Marine
Billings Diesel & Marine - Diesel Service

Billings Diesel & Marine

Southwest Harbor, ME Tides - Jan 1892

Print this Tide Chart
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:1211.611:5010.14:360.85:14-0.77:094:04New Moon1Fri
2Sat11:5711.75:210.65:58-0.87:094:05Waxing Crescent2Sat
3Sun12:3510.312:4511.66:080.56:45-0.87:094:06Waxing Crescent3Sun
4Mon1:2210.41:3511.46:590.47:34-0.67:094:07Waxing Crescent4Mon
5Tue2:1310.52:2911.17:540.48:26-0.47:094:08First Quarter5Tue
6Wed3:0710.63:2810.68:530.49:21-0.17:094:09First Quarter6Wed
7Thu4:0410.74:3110.29:560.310:190.27:084:10First Quarter7Thu
8Fri5:0410.85:389.911:020.211:210.47:084:11First Quarter8Fri
9Sat6:0510.96:449.812:070.07:084:12Waxing Gibbous9Sat
10Sun7:0611.17:489.812:230.61:10-0.37:084:13Waxing Gibbous10Sun
11Mon8:0411.38:469.91:230.62:08-0.57:074:15Waxing Gibbous11Mon
12Tue8:5911.49:3910.02:200.63:02-0.77:074:16Full Moon12Tue
13Wed9:4911.510:2810.13:120.53:52-0.87:064:17Full Moon13Wed
14Thu10:3711.511:1410.14:020.54:39-0.77:064:18Full Moon14Thu
15Fri11:2311.311:5810.04:480.65:23-0.57:054:19Full Moon15Fri
16Sat12:0611.15:320.76:05-0.27:054:21Waning Gibbous16Sat
17Sun12:409.912:4910.76:160.96:460.17:044:22Waning Gibbous17Sun
18Mon1:219.71:3110.36:591.17:270.57:044:23Waning Gibbous18Mon
19Tue2:039.62:159.87:431.38:080.97:034:24Waning Gibbous19Tue
20Wed2:459.43:019.38:291.58:501.37:024:26Third Quarter20Wed
21Thu3:309.33:518.89:191.79:361.67:024:27Third Quarter21Thu
22Fri4:189.24:458.510:121.710:251.97:014:28Third Quarter22Fri
23Sat5:099.25:438.311:081.711:182.07:004:30Third Quarter23Sat
24Sun6:029.36:418.312:051.46:594:31Waning Crescent24Sun
25Mon6:559.67:378.512:132.01:001.16:584:32Waning Crescent25Mon
26Tue7:4610.08:278.91:061.81:510.66:574:34Waning Crescent26Tue
27Wed8:3510.59:159.41:571.42:390.16:564:35Waning Crescent27Wed
28Thu9:2211.110:009.82:441.03:24-0.46:554:36New Moon28Thu
29Fri10:0811.610:4410.33:310.64:09-0.86:544:38New Moon29Fri
30Sat10:5412.011:2810.74:170.14:53-1.16:534:39New Moon30Sat
31Sun11:4112.15:04-0.25:38-1.36:524:41Waxing Crescent31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8413564)

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Common Questions About Southwest Harbor, ME Tides

Collapse All
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 58% 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 First Quarter (58% 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

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