New England
Long Island
Maine · NOAA station 8417941 · Tide predictions
43.6900, -70.1700
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48-hour outlook
Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.
Drawn from the high/low predictions — NOAA publishes high/low only for this station.
The next seven days
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H = high tide · L = low tide · highs & lows in local time
On the water nearby
Portland buoy · 11 mi S · Station 44007
Wind & wave reports →
Nearby tide stations
- Cow Island · 1.0 mi W
- Vaill Island · 1.2 mi SE
- Great Diamond Island · 2.0 mi SW
- Great Chebeague Island · 2.6 mi NE
- Peak Island · 2.8 mi SW
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 11.6 ft — Tue Jul 6 · 12:53 AM
Lowest predicted low tide: -1.8 ft — Sat Jan 23 · 5:37 PM
Biggest single-day swing: 13.4 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sat Jan 23 | 5:37 PM | -1.8 ft |
| Sun Jan 24 | 6:26 PM | -1.8 ft |
| Fri Jan 22 | 4:46 PM | -1.7 ft |
| Sun Feb 21 | 5:17 PM | -1.6 ft |
| Tue Jul 6 | 7:20 AM | -1.5 ft |
| Sat Feb 20 | 4:29 PM | -1.5 ft |
| Mon Feb 22 | 6:03 PM | -1.4 ft |
| Wed Jul 7 | 8:12 AM | -1.4 ft |
| Thu Aug 5 | 7:49 AM | -1.4 ft |
| Thu Jan 21 | 3:52 PM | -1.3 ft |
194 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.
About this station
NOAA builds the predictions for Long Island from the PORTLAND station: high tides about the same height, 1 min earlier; low tides about the same height, 1 min earlier.
Rocky shores and the country's biggest northern ranges: Eastport flirts with 20 ft, and the Gulf of Maine funnels weather as much as tide. Harbors here float — or sit in the mud — on the moon's schedule.