Tides Today & Tomorrow in Southwest Harbor, ME

TIDE TIMES for Saturday, June 13, 2026
The tide is currently falling in Southwest Harbor, ME.
Next low tide : in 40m at 3:06 pm (0.4 ft)
Next high tide : 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 - Sep 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:4011.410:5912.34:03-1.14:22-0.65:567:10New Moon1Sat
2Sun11:3011.711:5012.34:54-1.35:14-0.85:577:08New Moon2Sun
3Mon12:1911.85:43-1.26:04-0.85:587:06New Moon3Mon
4Tue12:4012.11:0511.76:30-0.96:53-0.65:597:04Waxing Crescent4Tue
5Wed1:2811.61:5211.47:16-0.57:41-0.26:007:03Waxing Crescent5Wed
6Thu2:1611.12:3811.18:030.18:300.26:027:01Waxing Crescent6Thu
7Fri3:0510.53:2610.78:500.69:210.66:036:59First Quarter7Fri
8Sat3:569.94:1610.29:391.110:141.06:046:57First Quarter8Sat
9Sun4:509.45:099.910:311.611:091.26:056:55First Quarter9Sun
10Mon5:479.06:059.711:261.86:066:53First Quarter10Mon
11Tue6:458.97:029.612:061.412:231.96:076:52First Quarter11Tue
12Wed7:418.97:569.81:021.31:181.86:086:50Waxing Gibbous12Wed
13Thu8:329.28:4610.11:551.12:101.66:106:48Waxing Gibbous13Thu
14Fri9:199.59:3210.42:420.82:571.26:116:46Waxing Gibbous14Fri
15Sat10:019.910:1410.73:250.53:390.96:126:44Waxing Gibbous15Sat
16Sun10:3910.310:5411.04:050.24:200.56:136:42Full Moon16Sun
17Mon11:1610.711:3211.24:430.04:580.26:146:40Full Moon17Mon
18Tue11:5311.15:19-0.25:38-0.16:156:38Full Moon18Tue
19Wed12:1211.312:3111.45:57-0.26:18-0.36:176:37Waning Gibbous19Wed
20Thu12:5311.31:1211.56:37-0.27:02-0.46:186:35Waning Gibbous20Thu
21Fri1:3711.21:5611.67:19-0.17:49-0.46:196:33Waning Gibbous21Fri
22Sat2:2510.92:4411.58:060.18:40-0.36:206:31Waning Gibbous22Sat
23Sun3:1710.63:3811.38:580.49:38-0.16:216:29Third Quarter23Sun
24Mon4:1610.34:3811.19:570.610:400.06:226:27Third Quarter24Mon
25Tue5:2010.05:4411.011:020.811:470.16:246:25Third Quarter25Tue
26Wed6:2810.06:5211.012:100.86:256:24Waning Crescent26Wed
27Thu7:3510.27:5811.212:54-0.11:180.56:266:22Waning Crescent27Thu
28Fri8:3710.68:5911.41:57-0.32:200.16:276:20Waning Crescent28Fri
29Sat9:3311.19:5511.72:55-0.63:18-0.36:286:18Waning Crescent29Sat
30Sun10:2411.410:4611.83:47-0.84:10-0.66:296:16New Moon30Sun
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 6:26 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 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