Maine tide station

Seavey Island tide times

Today, Sunday, October 18, 2026: high tide at 5:34 AM (6.9 ft) and 5:38 PM (7.7 ft); low tide at 11:20 AM (2.1 ft). Water temperature 54.7 F at Seavey Island.

NOAA station 8419870 · Reference station · MLLW datum · times in EDT · sunrise 7:00 AM, sunset 5:56 PM · first quarter (51% lit)

High tide▲

5:34AM

6.9FT MLLW

high

Low tide▼

11:20AM

2.1FT MLLW

low

High tide▲

5:38PM

7.7FT MLLW

high

predicted height above MLLWnightnow (build time; your browser updates it)

As of 5:20 AM the tide is rising toward high tide at 5:34 AM (6.9 ft).

First Quarter 51% litSunrise 7:00 AMSunset 5:56 PMDaylight 10h 55mEDT

High tide at Seavey Island, Maine on October 18, 2026 is at 5:34 AM (6.9 ft above MLLW) and 5:38 PM (7.7 ft above MLLW).
Low tide at Seavey Island on October 18, 2026 is at 11:20 AM (2.1 ft).
Today's tidal range at Seavey Island is 5.6 ft (highest high 7.7 ft, lowest low 2.1 ft).
The nearest NOAA water temperature to Seavey Island is 54.7 F at Seavey Island, as of October 18, 2026.
Sunrise 7:00 AM, sunset 5:56 PM (EDT); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 8419870 (harmonic reference station), heights above MLLW.

Next 7 days at Seavey Island

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	5:34 AM6.9 ft	11:20 AM2.1 ft	5:38 PM7.7 ft		7:00 AM	5:56 PM	51%
Mon Oct 19	12:08 AM1.4 ft	6:29 AM6.9 ft	12:18 PM2.1 ft	6:36 PM7.6 ft	7:02 AM	5:54 PM	61%
Tue Oct 20	1:03 AM1.4 ft	7:24 AM7.1 ft	1:16 PM2.0 ft	7:33 PM7.7 ft	7:03 AM	5:52 PM	71%
Wed Oct 21	1:55 AM1.2 ft	8:16 AM7.4 ft	2:13 PM1.6 ft	8:28 PM7.9 ft	7:04 AM	5:51 PM	80%
Thu Oct 22	2:43 AM1.0 ft	9:03 AM7.8 ft	3:04 PM1.2 ft	9:19 PM8.1 ft	7:05 AM	5:49 PM	88%
Fri Oct 23	3:27 AM0.7 ft	9:45 AM8.3 ft	3:52 PM0.6 ft	10:05 PM8.3 ft	7:07 AM	5:48 PM	94%
Sat Oct 24	4:09 AM0.5 ft	10:24 AM8.8 ft	4:36 PM0.1 ft	10:50 PM8.6 ft	7:08 AM	5:46 PM	98%

Water temperature near Seavey Island

54.7 F (12.6 C)

NOAA CO-OPS station 8419870 (this station's own sensor), read 5:00 AM local, October 18, 2026

Over the past 30 days this sensor ranged from 54.5 to 62.8 F. Typical for October here is 57.2 F (5-year hourly mean; range 52.2 to 63.5), so today is 2.5 F below typical.

Water temperature is the nearest NOAA reading to Seavey Island, not a measurement at the tide gauge itself. See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in EDT with sunrise, sunset and moon illumination. CSV of today's tides for every Maine station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					6:41 AM	6:25 PM	72%
Fri Oct 2					6:42 AM	6:23 PM	62%
Sat Oct 3					6:43 AM	6:21 PM	52%
Sun Oct 4					6:44 AM	6:19 PM	41%
Mon Oct 5					6:45 AM	6:17 PM	31%
Tue Oct 6					6:46 AM	6:16 PM	22%
Wed Oct 7					6:47 AM	6:14 PM	14%
Thu Oct 8					6:49 AM	6:12 PM	7%
Fri Oct 9					6:50 AM	6:11 PM	3%
Sat Oct 10					6:51 AM	6:09 PM	0%
Sun Oct 11					6:52 AM	6:07 PM	0%
Mon Oct 12					6:53 AM	6:05 PM	2%
Tue Oct 13					6:55 AM	6:04 PM	7%
Wed Oct 14					6:56 AM	6:02 PM	13%
Thu Oct 15					6:57 AM	6:00 PM	21%
Fri Oct 16	3:50 AM7.3 ft	9:35 AM1.7 ft	3:52 PM8.1 ft	10:21 PM1.0 ft	6:58 AM	5:59 PM	30%
Sat Oct 17	4:40 AM7.0 ft	10:25 AM2.0 ft	4:43 PM7.9 ft	11:14 PM1.3 ft	6:59 AM	5:57 PM	40%
Sun Oct 18today	5:34 AM6.9 ft	11:20 AM2.1 ft	5:38 PM7.7 ft		7:00 AM	5:56 PM	51%
Mon Oct 19	12:08 AM1.4 ft	6:29 AM6.9 ft	12:18 PM2.1 ft	6:36 PM7.6 ft	7:02 AM	5:54 PM	61%
Tue Oct 20	1:03 AM1.4 ft	7:24 AM7.1 ft	1:16 PM2.0 ft	7:33 PM7.7 ft	7:03 AM	5:52 PM	71%
Wed Oct 21	1:55 AM1.2 ft	8:16 AM7.4 ft	2:13 PM1.6 ft	8:28 PM7.9 ft	7:04 AM	5:51 PM	80%
Thu Oct 22	2:43 AM1.0 ft	9:03 AM7.8 ft	3:04 PM1.2 ft	9:19 PM8.1 ft	7:05 AM	5:49 PM	88%
Fri Oct 23	3:27 AM0.7 ft	9:45 AM8.3 ft	3:52 PM0.6 ft	10:05 PM8.3 ft	7:07 AM	5:48 PM	94%
Sat Oct 24	4:09 AM0.5 ft	10:24 AM8.8 ft	4:36 PM0.1 ft	10:50 PM8.6 ft	7:08 AM	5:46 PM	98%
Sun Oct 25	4:49 AM0.3 ft	11:04 AM9.3 ft	5:21 PM-0.4 ft	11:35 PM8.7 ft	7:09 AM	5:45 PM	100%
Mon Oct 26	5:31 AM0.1 ft	11:45 AM9.7 ft	6:05 PM-0.8 ft		7:10 AM	5:43 PM	99%
Tue Oct 27	12:21 AM8.7 ft	6:14 AM0.0 ft	12:29 PM9.9 ft	6:52 PM-1.0 ft	7:12 AM	5:42 PM	97%
Wed Oct 28	1:08 AM8.7 ft	7:00 AM0.1 ft	1:15 PM10.0 ft	7:41 PM-1.0 ft	7:13 AM	5:41 PM	92%
Thu Oct 29	1:58 AM8.5 ft	7:48 AM0.2 ft	2:05 PM9.9 ft	8:33 PM-0.8 ft	7:14 AM	5:39 PM	85%
Fri Oct 30	2:52 AM8.3 ft	8:41 AM0.4 ft	3:00 PM9.7 ft	9:29 PM-0.5 ft	7:15 AM	5:38 PM	77%
Sat Oct 31	3:50 AM8.0 ft	9:39 AM0.7 ft	4:00 PM9.3 ft	10:30 PM-0.2 ft	7:17 AM	5:36 PM	68%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	3:54 AM7.9 ft	9:44 AM0.9 ft	4:06 PM9.0 ft	10:35 PM0.1 ft	6:18 AM	4:35 PM	57%
Mon Nov 2	5:00 AM7.9 ft	10:53 AM1.0 ft	5:15 PM8.7 ft	11:39 PM0.3 ft	6:19 AM	4:34 PM	46%
Tue Nov 3	6:05 AM8.0 ft	12:03 PM1.0 ft	6:25 PM8.5 ft		6:21 AM	4:32 PM	36%
Wed Nov 4	12:42 AM0.3 ft	7:08 AM8.3 ft	1:11 PM0.7 ft	7:31 PM8.5 ft	6:22 AM	4:31 PM	26%
Thu Nov 5	1:41 AM0.4 ft	8:04 AM8.6 ft	2:12 PM0.4 ft	8:30 PM8.5 ft	6:23 AM	4:30 PM	17%
Fri Nov 6	2:34 AM0.4 ft	8:55 AM8.9 ft	3:07 PM0.1 ft	9:23 PM8.4 ft	6:24 AM	4:29 PM	10%
Sat Nov 7	3:21 AM0.4 ft	9:40 AM9.1 ft	3:55 PM-0.2 ft	10:11 PM8.4 ft	6:26 AM	4:28 PM	5%
Sun Nov 8	4:05 AM0.5 ft	10:22 AM9.2 ft	4:40 PM-0.2 ft	10:56 PM8.2 ft	6:27 AM	4:26 PM	1%
Mon Nov 9	4:45 AM0.7 ft	11:01 AM9.1 ft	5:22 PM-0.2 ft	11:38 PM8.0 ft	6:28 AM	4:25 PM	0%
Tue Nov 10	5:24 AM0.9 ft	11:39 AM9.0 ft	6:02 PM-0.1 ft		6:30 AM	4:24 PM	1%
Wed Nov 11	12:18 AM7.8 ft	6:02 AM1.1 ft	12:16 PM8.8 ft	6:41 PM0.1 ft	6:31 AM	4:23 PM	4%
Thu Nov 12	12:58 AM7.6 ft	6:41 AM1.3 ft	12:55 PM8.6 ft	7:21 PM0.4 ft	6:32 AM	4:22 PM	10%
Fri Nov 13	1:38 AM7.4 ft	7:21 AM1.5 ft	1:35 PM8.4 ft	8:02 PM0.6 ft	6:33 AM	4:21 PM	17%
Sat Nov 14	2:21 AM7.2 ft	8:03 AM1.7 ft	2:19 PM8.2 ft	8:46 PM0.8 ft	6:35 AM	4:20 PM	25%
Sun Nov 15	3:07 AM7.1 ft	8:51 AM1.9 ft	3:06 PM8.0 ft	9:33 PM1.0 ft	6:36 AM	4:19 PM	35%
Mon Nov 16	3:55 AM7.1 ft	9:42 AM1.9 ft	3:57 PM7.8 ft	10:21 PM1.1 ft	6:37 AM	4:18 PM	45%
Tue Nov 17	4:45 AM7.2 ft	10:36 AM1.9 ft	4:50 PM7.7 ft	11:10 PM1.1 ft	6:38 AM	4:17 PM	56%
Wed Nov 18	5:34 AM7.4 ft	11:32 AM1.7 ft	5:45 PM7.6 ft		6:40 AM	4:17 PM	66%
Thu Nov 19	12:00 AM1.1 ft	6:24 AM7.7 ft	12:28 PM1.4 ft	6:41 PM7.7 ft	6:41 AM	4:16 PM	76%
Fri Nov 20	12:49 AM1.0 ft	7:12 AM8.1 ft	1:23 PM0.9 ft	7:36 PM7.8 ft	6:42 AM	4:15 PM	84%
Sat Nov 21	1:38 AM0.8 ft	7:58 AM8.6 ft	2:16 PM0.4 ft	8:28 PM8.0 ft	6:43 AM	4:14 PM	91%
Sun Nov 22	2:26 AM0.6 ft	8:44 AM9.1 ft	3:06 PM-0.2 ft	9:19 PM8.2 ft	6:45 AM	4:14 PM	96%
Mon Nov 23	3:13 AM0.3 ft	9:30 AM9.6 ft	3:55 PM-0.7 ft	10:09 PM8.4 ft	6:46 AM	4:13 PM	99%
Tue Nov 24	4:00 AM0.1 ft	10:17 AM10.0 ft	4:44 PM-1.0 ft	10:59 PM8.5 ft	6:47 AM	4:12 PM	100%
Wed Nov 25	4:49 AM0.0 ft	11:06 AM10.2 ft	5:34 PM-1.2 ft	11:51 PM8.5 ft	6:48 AM	4:12 PM	98%
Thu Nov 26	5:40 AM-0.0 ft	11:57 AM10.2 ft	6:26 PM-1.2 ft		6:49 AM	4:11 PM	95%
Fri Nov 27	12:44 AM8.5 ft	6:32 AM0.0 ft	12:51 PM10.1 ft	7:19 PM-1.1 ft	6:51 AM	4:11 PM	89%
Sat Nov 28	1:39 AM8.4 ft	7:28 AM0.2 ft	1:48 PM9.8 ft	8:15 PM-0.8 ft	6:52 AM	4:10 PM	81%
Sun Nov 29	2:38 AM8.3 ft	8:28 AM0.4 ft	2:48 PM9.4 ft	9:14 PM-0.5 ft	6:53 AM	4:10 PM	73%
Mon Nov 30	3:39 AM8.3 ft	9:32 AM0.6 ft	3:52 PM9.0 ft	10:15 PM-0.1 ft	6:54 AM	4:09 PM	63%

Tidal datums at Seavey Island

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8419870, in feet above MLLW:

MHHW

11.16 ft

Mean higher high water

MHW

10.74 ft

Mean high water

MSL

6.73 ft

Mean sea level

MLW

2.59 ft

Mean low water

8.16 ft

Mean range

8.89 ft

Diurnal range

Highest observed water level: 15.34 ft above MLLW on January 13, 2024. Tidal datum epoch 1983-2001.

Nearby tide stations

Portsmouth0.5 mi · next high 5:39 AM
Atlantic Heights1.3 mi · next high 5:54 AM
Fort Point1.6 mi · next high 5:23 AM
Kittery Point1.9 mi · next high 5:15 PM
Jaffrey Point2.1 mi · next high 5:19 PM
Gerrish Island2.4 mi · next high 5:20 PM

Questions

What time is high tide at Seavey Island today?

High tide at Seavey Island, Maine on Sunday, October 18, 2026 is at 5:34 AM (6.9 ft above MLLW) and 5:38 PM (7.7 ft above MLLW), NOAA prediction, local time.

What time is low tide at Seavey Island today?

Low tide at Seavey Island on Sunday, October 18, 2026 is at 11:20 AM (2.1 ft).

What is the water temperature at Seavey Island?

The nearest NOAA water-temperature reading to Seavey Island is 54.7 F at Seavey Island, as of October 18, 2026.

Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 8419870.