Harpswell Harbor Tide Chart

Maine · NOAA station 8417647 (South Harpswell, Potts Harbor), 1.9 mipredicted

Low tide 6:23 AM, high tide 12:13 AM; tidal range 10.9 ft — big tides today.

Fishing window12:45 PM – 2:45 PM

Solunar major window: 12:45 PM – 2:45 PM — an angler rule-of-thumb reference window, not a scientific prediction.

Tidepool window4:53 AM – 7:53 AM

Tidepooling window: 4:53 AM – 7:53 AM — 90 minutes around low tide.

Today's Tides

Tomorrow: high 1:00 AM · low 7:05 AM · high 1:19 PM · low 7:30 PM

7-Day Tide Curve

12:30 AM5:18 AM11:53 AM5:57 PM12:13 AM6:23 AM12:37 PM6:45 PM1:00 AM7:05 AM1:19 PM7:30 PM1:45 AM7:45 AM2:00 PM8:15 PM2:30 AM8:27 AM2:41 PM9:01 PM3:16 AM9:10 AM3:26 PM9:50 PM4:06 AM9:57 AM4:15 PMFri 11Sat 12Sun 13Mon 14Tue 15Wed 16Thu 1711.7-2.0
7-day tide table (accessible data)
DayTypeTimeHeight (ft)
Fri 11High12:30 AM-0.65
Low5:18 AM-0.65
High11:53 AM9.98
Low5:57 PM-0.43
Sat 12High12:13 AM10.37
Low6:23 AM-0.52
High12:37 PM10.13
Low6:45 PM-0.48
Sun 13High1:00 AM10.08
Low7:05 AM-0.23
High1:19 PM10.10
Low7:30 PM-0.36
Mon 14High1:45 AM9.65
Low7:45 AM0.20
High2:00 PM9.91
Low8:15 PM-0.09
Tue 15High2:30 AM9.14
Low8:27 AM0.69
High2:41 PM9.60
Low9:01 PM0.30
Wed 16High3:16 AM8.61
Low9:10 AM1.20
High3:26 PM9.22
Low9:50 PM0.73
Thu 17High4:06 AM8.11
Low9:57 AM1.66
High4:15 PM8.84
1%
New Moon
05:48
First light
06:17
Sunrise
18:58
Sunset
19:27
Last light

FAQ

What time is high tide in Harpswell Harbor today?

Today in Harpswell Harbor, high tide times are 12:13 AM (10.37 ft) and 12:37 PM (10.13 ft), local time (America/New_York), based on NOAA station 8417647.

What time is low tide in Harpswell Harbor today?

Today's low tides in Harpswell Harbor: 6:23 AM (-0.52 ft) and 6:45 PM (-0.48 ft), local time, datum MLLW.

Is today good for fishing in Harpswell Harbor?

Solunar major window: 12:45 PM – 2:45 PM — an angler rule-of-thumb reference window, not a scientific prediction. Today's solunar rating for Harpswell Harbor is 5 out of 5, based on moon phase and tidal range.

Where is the tide measured for Harpswell Harbor?

Tides for Harpswell Harbor are predicted at NOAA CO-OPS station 8417647 (South Harpswell, Potts Harbor), 1.9 miles away — a subordinate station. Times are America/New_York, heights in feet relative to MLLW datum.

Tide predictions for Harpswell Harbor come from NOAA CO-OPS station 8417647 (South Harpswell, Potts Harbor),1.9 mi away — a subordinate station — predictions are derived by time/height offsets from a nearby harmonic reference station. Heights are in feet relative to the MLLW datum; all times are local to the station (America/New_York). Source:NOAA Tides & Currents.

Data date: 2026-09-12 · page generated 2026-09-12 08:41 UTC · astronomical predictions, not observed water levels.