Tides Today & Tomorrow in Isle au Haut, ME

TIDE TIMES for Sunday, August 23, 2026
The tide is currently rising in Isle au Haut, ME.
Next low tide : 1:40 pm (2.0 ft)
Next high tide : in 1h 43m at 8:08 am (7.7 ft)
Sunset today : 7:26 pm
Sunrise tomorrow : 5:47 am
Moon phase : Waxing Gibbous (81% illuminated)
Tide Station Location : Station #8414288
Common Questions About Tides

Isle au Haut, ME Tides - Dec 1934

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:518.56:158.211:431.511:581.46:493:58Waning Crescent1Sat
2Sun6:398.97:078.312:341.16:503:57Waning Crescent2Sun
3Mon7:259.37:578.512:451.21:230.66:513:57Waning Crescent3Mon
4Tue8:109.78:458.81:311.12:100.26:523:57Waning Crescent4Tue
5Wed8:5410.29:319.12:170.92:56-0.36:533:56New Moon5Wed
6Thu9:3910.510:179.33:020.63:42-0.66:543:56New Moon6Thu
7Fri10:2510.811:059.53:490.54:29-0.96:553:56New Moon7Fri
8Sat11:1411.011:549.54:370.35:18-1.06:563:56Waxing Crescent8Sat
9Sun12:0511.05:280.36:09-0.96:573:56Waxing Crescent9Sun
10Mon12:459.612:5810.86:220.37:02-0.86:583:56Waxing Crescent10Mon
11Tue1:409.61:5610.47:190.47:58-0.56:593:56Waxing Crescent11Tue
12Wed2:379.52:5610.08:210.58:56-0.27:003:56First Quarter12Wed
13Thu3:379.54:019.59:260.59:560.17:003:56First Quarter13Thu
14Fri4:399.65:089.210:330.410:570.37:013:56First Quarter14Fri
15Sat5:409.76:149.011:380.311:570.57:023:56Waxing Gibbous15Sat
16Sun6:409.97:178.912:410.07:033:57Waxing Gibbous16Sun
17Mon7:3610.08:148.912:550.61:38-0.27:033:57Waxing Gibbous17Mon
18Tue8:2810.19:079.01:500.72:31-0.47:043:57Waxing Gibbous18Tue
19Wed9:1610.29:549.02:400.73:19-0.47:053:58Full Moon19Wed
20Thu10:0110.210:389.03:270.74:03-0.47:053:58Full Moon20Thu
21Fri10:4310.111:198.94:100.84:45-0.37:063:58Full Moon21Fri
22Sat11:2410.011:588.84:510.95:25-0.17:063:59Full Moon22Sat
23Sun12:039.85:311.06:030.17:073:59Waning Gibbous23Sun
24Mon12:378.712:429.56:111.26:410.37:074:00Waning Gibbous24Mon
25Tue1:158.61:229.36:511.37:190.67:084:01Waning Gibbous25Tue
26Wed1:558.62:038.97:321.47:580.87:084:01Waning Gibbous26Wed
27Thu2:368.52:478.68:161.58:391.07:084:02Third Quarter27Thu
28Fri3:198.53:348.39:041.69:231.27:084:03Third Quarter28Fri
29Sat4:058.54:268.09:551.510:101.47:094:03Third Quarter29Sat
30Sun4:548.75:227.910:501.411:021.57:094:04Third Quarter30Sun
31Mon5:468.96:217.911:471.111:581.47:094:05Waning Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8414288)

Common Questions About Isle au Haut, ME Tides

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What time does the tide turn (slack tide) in Isle au Haut, ME today?

Slack tide in Isle au Haut, ME is approximately 10:54 am — 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 Isle au Haut, ME?

Isle au Haut, ME is currently in a spring phase. Tonight's moon is 81% 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 Isle au Haut, 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 Isle au Haut, ME?

Tide predictions for Isle au Haut, 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 Isle au Haut, ME?

Tide data for Isle au Haut, ME is sourced from NOAA Station #8414288. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8414288.

What is the moon phase in Isle au Haut, ME tonight?

Tonight the moon over Isle au Haut, ME is Waxing Gibbous (81% illuminated). This places Isle au Haut, 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