Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Sunday, July 26, 2026
The tide is currently rising in Southwest Harbor, ME.
Next low tide : 3:03 pm (1.9 ft)
Next high tide : in 4h 42m at 9:34 am (8.9 ft)
Sunset today : 8:05 pm
Sunrise tomorrow : 5:14 am
Moon phase : Waxing Gibbous (92% illuminated)
Tide Station Location : Station #8413564
Common Questions About Tides

Southwest Harbor, ME Tides - Feb 2082

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:4110.012:5310.36:210.86:420.56:504:43Waxing Crescent1Sun
2Mon1:179.91:329.97:000.97:180.86:494:44Waxing Crescent2Mon
3Tue1:549.82:129.47:401.17:551.26:474:46Waxing Crescent3Tue
4Wed2:339.62:568.98:231.38:351.56:464:47First Quarter4Wed
5Thu3:159.53:458.59:111.59:211.96:454:48First Quarter5Thu
6Fri4:049.34:408.210:051.610:142.16:444:50First Quarter6Fri
7Sat4:589.35:418.111:041.511:122.16:424:51First Quarter7Sat
8Sun5:579.46:438.312:051.36:414:53Waxing Gibbous8Sun
9Mon6:579.87:418.712:132.01:040.86:404:54Waxing Gibbous9Mon
10Tue7:5310.48:349.31:111.51:570.26:384:55Waxing Gibbous10Tue
11Wed8:4511.09:2210.02:050.92:47-0.46:374:57Full Moon11Wed
12Thu9:3511.710:0810.62:560.33:33-1.06:354:58Full Moon12Thu
13Fri10:2312.110:5411.33:45-0.34:19-1.46:345:00Full Moon13Fri
14Sat11:1112.411:4011.74:33-0.85:04-1.56:335:01Full Moon14Sat
15Sun11:5912.35:23-1.15:50-1.56:315:02Waning Gibbous15Sun
16Mon12:2612.012:5011.96:13-1.26:37-1.26:305:04Waning Gibbous16Mon
17Tue1:1512.01:4211.47:06-1.17:27-0.76:285:05Waning Gibbous17Tue
18Wed2:0611.72:3910.68:02-0.88:210.06:275:06Third Quarter18Wed
19Thu3:0111.33:409.99:03-0.39:200.76:255:08Third Quarter19Thu
20Fri4:0310.84:489.310:080.110:261.26:235:09Third Quarter20Fri
21Sat5:1010.45:599.011:180.411:361.46:225:11Third Quarter21Sat
22Sun6:1910.27:088.912:270.56:205:12Waning Crescent22Sun
23Mon7:2510.28:099.212:441.41:290.46:195:13Waning Crescent23Mon
24Tue8:2410.49:019.41:441.22:240.26:175:15Waning Crescent24Tue
25Wed9:1410.69:469.72:370.93:110.16:155:16New Moon25Wed
26Thu9:5910.710:2610.03:230.63:520.06:145:17New Moon26Thu
27Fri10:3810.711:0210.24:040.44:290.06:125:19New Moon27Fri
28Sat11:1510.611:3510.24:420.45:030.26:105:20New Moon28Sat
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 12:18 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 spring phase. Tonight's moon is 92% 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 Waxing Gibbous (92% 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