Southwest Harbor — ME, United States

Name: Southwest Harbor
Address: ME, United States

Tide times & tide chart

↑6:53am↓5:42pm

Predictions are not observations — conditions vary with weather and river flow. Not for navigation.

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Tide times for the next 7 days

Mon 19 Oct 2026 through Sun 25 Oct 2026. All times are local to Southwest Harbor (America/New_York). Heights are in feet above MLLW.
Day	Tide	Time	Height
Mon 19 Oct 2026	High	05:42	8.5 ft
Mon 19 Oct 2026	Low	11:17	2.4 ft
Mon 19 Oct 2026	High	17:55	9.3 ft
Mon 19 Oct 2026	Low	23:58	1.6 ft
Tue 20 Oct 2026	High	06:38	8.6 ft
Tue 20 Oct 2026	Low	12:15	2.2 ft
Tue 20 Oct 2026	High	18:52	9.4 ft
Wed 21 Oct 2026	Low	00:50	1.4 ft
Wed 21 Oct 2026	High	07:30	9.0 ft
Wed 21 Oct 2026	Low	13:09	1.8 ft
Wed 21 Oct 2026	High	19:46	9.6 ft
Thu 22 Oct 2026	Low	01:39	1.1 ft
Thu 22 Oct 2026	High	08:17	9.5 ft
Thu 22 Oct 2026	Low	14:00	1.3 ft
Thu 22 Oct 2026	High	20:35	10.0 ft
Fri 23 Oct 2026	Low	02:23	0.8 ft
Fri 23 Oct 2026	High	09:01	10.1 ft
Fri 23 Oct 2026	Low	14:46	0.7 ft
Fri 23 Oct 2026	High	21:22	10.3 ft
Sat 24 Oct 2026	Low	03:05	0.5 ft
Sat 24 Oct 2026	High	09:42	10.8 ft
Sat 24 Oct 2026	Low	15:31	0.0 ft
Sat 24 Oct 2026	High	22:06	10.7 ft
Sun 25 Oct 2026	Low	03:46	0.2 ft
Sun 25 Oct 2026	High	10:22	11.4 ft
Sun 25 Oct 2026	Low	16:14	-0.5 ft
Sun 25 Oct 2026	High	22:51	10.9 ft

Position: 44.2750° N, 68.3133° W
Time zone: America/New_York
Datum: MLLW datum · NOAA reference highs and lows, adjusted by published offsets
Source: NOAA tide offsets from 8413320
Region: ME, United States

Heights are measured above chart datum. A negative height means there is that much less water than the charted depth shows.

Slackwater database (https://github.com/openwatersio/slackwater-database)

How we check predictions — dated samples and their limits.