Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Thursday, July 2, 2026
The tide is currently rising in Southwest Harbor, ME.
Next low tide : 6:49 pm (1.6 ft)
Next high tide : in 5h 20m at 1:19 pm (9.6 ft)
Sunset today : 8:20 pm
Sunrise tomorrow : 4:53 am
Moon phase : Waning Gibbous (94% illuminated)
Tide Station Location : Station #8413564
Common Questions About Tides

Southwest Harbor, ME Tides - Jun 1997

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:5910.78:2711.61:23-0.11:44-0.14:528:10Waning Crescent1Sun
2Mon9:0010.89:2211.92:24-0.42:41-0.14:518:10Waning Crescent2Mon
3Tue9:5610.910:1312.13:20-0.83:35-0.14:518:11New Moon3Tue
4Wed10:4811.011:0212.14:12-1.04:260.04:508:12New Moon4Wed
5Thu11:3711.011:4912.05:01-1.05:140.14:508:13New Moon5Thu
6Fri12:2510.85:48-0.96:010.44:508:13New Moon6Fri
7Sat12:3411.81:1010.66:34-0.76:460.74:498:14Waxing Crescent7Sat
8Sun1:1911.41:5510.47:18-0.37:321.04:498:15Waxing Crescent8Sun
9Mon2:0311.02:4010.18:030.18:181.34:498:15Waxing Crescent9Mon
10Tue2:4910.63:269.98:470.49:051.54:498:16Waxing Crescent10Tue
11Wed3:3610.14:139.79:320.89:541.74:488:17First Quarter11Wed
12Thu4:259.85:019.610:191.010:451.84:488:17First Quarter12Thu
13Fri5:169.45:509.611:071.311:381.84:488:18First Quarter13Fri
14Sat6:109.26:409.711:561.44:488:18First Quarter14Sat
15Sun7:049.27:299.912:321.612:461.44:488:18Waxing Gibbous15Sun
16Mon7:579.28:1710.31:241.31:351.44:488:19Waxing Gibbous16Mon
17Tue8:479.49:0210.72:130.92:231.24:488:19Waxing Gibbous17Tue
18Wed9:359.79:4711.13:000.53:091.04:488:20Waxing Gibbous18Wed
19Thu10:2110.110:3111.53:460.03:540.84:488:20Full Moon19Thu
20Fri11:0610.411:1611.94:31-0.44:390.64:498:20Full Moon20Fri
21Sat11:5210.75:16-0.75:260.34:498:20Full Moon21Sat
22Sun12:0212.112:3911.06:02-1.06:140.24:498:21Waning Gibbous22Sun
23Mon12:5012.21:2811.16:50-1.17:050.14:498:21Waning Gibbous23Mon
24Tue1:4112.22:1911.27:40-1.17:590.14:508:21Waning Gibbous24Tue
25Wed2:3412.03:1311.38:33-0.98:570.14:508:21Waning Gibbous25Wed
26Thu3:3111.64:1011.39:27-0.79:570.24:508:21Third Quarter26Thu
27Fri4:3211.25:0911.310:25-0.411:000.24:518:21Third Quarter27Fri
28Sat5:3510.86:0911.311:25-0.14:518:21Third Quarter28Sat
29Sun6:4010.57:1011.412:050.112:260.14:528:21Waning Crescent29Sun
30Mon7:4410.48:0911.51:080.01:260.34:528:21Waning Crescent30Mon
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 4:04 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 94% 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 Gibbous (94% 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