Alaska tide station

Offshore St Matthew Island (GNSS Buoy) tide times

Today, Sunday, October 18, 2026: high tide at 5:14 PM (2.8 ft); low tide at 8:35 AM (0.4 ft).

NOAA station 9466229 · Reference station · MLLW datum · times in AKDT · sunrise 10:19 AM, sunset 8:11 PM · first quarter (52% lit)

Low tide▼

8:35AM

0.4FT MLLW

low

High tide▲

5:14PM

2.8FT MLLW

high

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

As of 1:20 AM the tide is falling toward low tide at 8:35 AM (0.4 ft).

First Quarter 52% litSunrise 10:19 AMSunset 8:11 PMDaylight 9h 52mAKDT

High tide at Offshore St Matthew Island (GNSS Buoy), Alaska on October 18, 2026 is at 5:14 PM (2.8 ft above MLLW).
Low tide at Offshore St Matthew Island (GNSS Buoy) on October 18, 2026 is at 8:35 AM (0.4 ft).
Today's tidal range at Offshore St Matthew Island (GNSS Buoy) is 2.4 ft (highest high 2.8 ft, lowest low 0.4 ft).
Sunrise 10:19 AM, sunset 8:11 PM (AKDT); moon first quarter, 52% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9466229 (harmonic reference station), heights above MLLW.

Next 7 days at Offshore St Matthew Island (GNSS Buoy)

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	8:35 AM0.4 ft	5:14 PM2.8 ft			10:19 AM	8:11 PM	52%
Mon Oct 19	9:23 AM0.6 ft	6:00 PM2.8 ft			10:22 AM	8:08 PM	63%
Tue Oct 20	10:37 AM0.8 ft	6:38 PM2.7 ft			10:24 AM	8:05 PM	73%
Wed Oct 21	1:19 AM1.4 ft	6:05 AM1.7 ft	11:53 AM1.0 ft	7:08 PM2.6 ft	10:27 AM	8:02 PM	82%
Thu Oct 22	1:45 AM1.2 ft	7:31 AM1.9 ft	1:00 PM1.2 ft	7:32 PM2.4 ft	10:29 AM	7:59 PM	89%
Fri Oct 23	2:12 AM0.9 ft	8:39 AM2.2 ft	2:17 PM1.4 ft	7:46 PM2.3 ft	10:32 AM	7:57 PM	95%
Sat Oct 24	2:39 AM0.5 ft	9:34 AM2.6 ft	3:29 PM1.5 ft	7:59 PM2.2 ft	10:34 AM	7:54 PM	98%

Water temperature

No NOAA water-temperature sensor or NDBC buoy reports within 100 miles of Offshore St Matthew Island (GNSS Buoy).

Tide tables

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

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					9:37 AM	9:02 PM	71%
Fri Oct 2					9:39 AM	8:59 PM	61%
Sat Oct 3					9:42 AM	8:56 PM	50%
Sun Oct 4					9:44 AM	8:53 PM	40%
Mon Oct 5					9:47 AM	8:50 PM	29%
Tue Oct 6					9:49 AM	8:47 PM	20%
Wed Oct 7					9:52 AM	8:44 PM	12%
Thu Oct 8					9:54 AM	8:41 PM	6%
Fri Oct 9					9:56 AM	8:38 PM	2%
Sat Oct 10					9:59 AM	8:35 PM	0%
Sun Oct 11					10:01 AM	8:32 PM	0%
Mon Oct 12					10:04 AM	8:29 PM	3%
Tue Oct 13					10:06 AM	8:26 PM	8%
Wed Oct 14					10:09 AM	8:23 PM	14%
Thu Oct 15					10:11 AM	8:20 PM	22%
Fri Oct 16	7:20 AM0.1 ft	3:27 PM3.0 ft			10:14 AM	8:17 PM	32%
Sat Oct 17	7:56 AM0.2 ft	4:19 PM2.9 ft			10:16 AM	8:14 PM	42%
Sun Oct 18today	8:35 AM0.4 ft	5:14 PM2.8 ft			10:19 AM	8:11 PM	52%
Mon Oct 19	9:23 AM0.6 ft	6:00 PM2.8 ft			10:22 AM	8:08 PM	63%
Tue Oct 20	10:37 AM0.8 ft	6:38 PM2.7 ft			10:24 AM	8:05 PM	73%
Wed Oct 21	1:19 AM1.4 ft	6:05 AM1.7 ft	11:53 AM1.0 ft	7:08 PM2.6 ft	10:27 AM	8:02 PM	82%
Thu Oct 22	1:45 AM1.2 ft	7:31 AM1.9 ft	1:00 PM1.2 ft	7:32 PM2.4 ft	10:29 AM	7:59 PM	89%
Fri Oct 23	2:12 AM0.9 ft	8:39 AM2.2 ft	2:17 PM1.4 ft	7:46 PM2.3 ft	10:32 AM	7:57 PM	95%
Sat Oct 24	2:39 AM0.5 ft	9:34 AM2.6 ft	3:29 PM1.5 ft	7:59 PM2.2 ft	10:34 AM	7:54 PM	98%
Sun Oct 25	3:08 AM0.1 ft	10:23 AM3.0 ft	4:26 PM1.6 ft	8:21 PM2.2 ft	10:37 AM	7:51 PM	100%
Mon Oct 26	3:40 AM-0.2 ft	11:10 AM3.3 ft	5:19 PM1.7 ft	8:51 PM2.2 ft	10:39 AM	7:48 PM	99%
Tue Oct 27	4:15 AM-0.5 ft	12:01 PM3.6 ft	6:14 PM1.8 ft	9:27 PM2.2 ft	10:42 AM	7:45 PM	96%
Wed Oct 28	4:53 AM-0.7 ft	12:53 PM3.7 ft	7:12 PM1.9 ft	10:06 PM2.2 ft	10:45 AM	7:43 PM	91%
Thu Oct 29	5:38 AM-0.8 ft	1:44 PM3.7 ft	8:07 PM1.9 ft	10:49 PM2.2 ft	10:47 AM	7:40 PM	84%
Fri Oct 30	6:29 AM-0.7 ft	2:34 PM3.7 ft	9:02 PM1.9 ft	11:43 PM2.1 ft	10:50 AM	7:37 PM	76%
Sat Oct 31	7:25 AM-0.6 ft	3:24 PM3.5 ft	10:01 PM1.8 ft		10:52 AM	7:35 PM	66%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	12:58 AM2.0 ft	7:25 AM-0.2 ft	3:17 PM3.4 ft	10:02 PM1.5 ft	9:55 AM	6:32 PM	55%
Mon Nov 2	1:25 AM1.9 ft	8:31 AM0.2 ft	4:10 PM3.2 ft	10:53 PM1.2 ft	9:58 AM	6:29 PM	45%
Tue Nov 3	3:49 AM1.8 ft	9:51 AM0.6 ft	4:57 PM3.0 ft	11:37 PM0.9 ft	10:00 AM	6:27 PM	34%
Wed Nov 4	5:32 AM2.1 ft	11:09 AM1.0 ft	5:38 PM2.8 ft		10:03 AM	6:24 PM	25%
Thu Nov 5	12:21 AM0.5 ft	6:52 AM2.4 ft	12:25 PM1.3 ft	6:16 PM2.6 ft	10:06 AM	6:21 PM	16%
Fri Nov 6	1:04 AM0.2 ft	8:03 AM2.7 ft	1:48 PM1.5 ft	6:52 PM2.4 ft	10:08 AM	6:19 PM	9%
Sat Nov 7	1:45 AM-0.0 ft	8:59 AM3.0 ft	3:01 PM1.6 ft	7:24 PM2.2 ft	10:11 AM	6:16 PM	4%
Sun Nov 8	2:23 AM-0.2 ft	9:46 AM3.3 ft	4:00 PM1.7 ft	7:47 PM2.0 ft	10:13 AM	6:14 PM	1%
Mon Nov 9	2:57 AM-0.3 ft	10:30 AM3.4 ft	4:56 PM1.7 ft	7:53 PM1.9 ft	10:16 AM	6:11 PM	0%
Tue Nov 10	3:29 AM-0.3 ft	11:14 AM3.5 ft	5:57 PM1.8 ft	8:01 PM1.8 ft	10:19 AM	6:09 PM	1%
Wed Nov 11	3:58 AM-0.2 ft	11:57 AM3.4 ft			10:21 AM	6:07 PM	5%
Thu Nov 12	4:27 AM-0.2 ft	12:38 PM3.4 ft			10:24 AM	6:04 PM	11%
Fri Nov 13	4:56 AM-0.1 ft	1:17 PM3.3 ft			10:26 AM	6:02 PM	18%
Sat Nov 14	5:26 AM0.1 ft	1:54 PM3.2 ft			10:29 AM	6:00 PM	27%
Sun Nov 15	5:59 AM0.2 ft	2:31 PM3.1 ft			10:32 AM	5:58 PM	37%
Mon Nov 16	6:34 AM0.4 ft	3:08 PM2.9 ft			10:34 AM	5:55 PM	47%
Tue Nov 17	7:12 AM0.7 ft	3:41 PM2.8 ft	10:59 PM1.3 ft		10:37 AM	5:53 PM	58%
Wed Nov 18	2:10 AM1.5 ft	8:00 AM1.0 ft	4:03 PM2.6 ft	11:18 PM1.0 ft	10:39 AM	5:51 PM	68%
Thu Nov 19	5:23 AM1.7 ft	9:28 AM1.4 ft	4:13 PM2.5 ft	11:40 PM0.7 ft	10:42 AM	5:49 PM	77%
Fri Nov 20	6:32 AM2.1 ft	11:21 AM1.7 ft	4:27 PM2.4 ft		10:44 AM	5:47 PM	86%
Sat Nov 21	12:05 AM0.3 ft	7:34 AM2.6 ft	12:53 PM1.9 ft	4:52 PM2.3 ft	10:47 AM	5:45 PM	92%
Sun Nov 22	12:36 AM-0.1 ft	8:27 AM3.0 ft	2:24 PM2.0 ft	5:23 PM2.3 ft	10:49 AM	5:43 PM	97%
Mon Nov 23	1:15 AM-0.5 ft	9:14 AM3.4 ft	3:26 PM2.1 ft	6:00 PM2.3 ft	10:51 AM	5:41 PM	100%
Tue Nov 24	2:00 AM-0.8 ft	10:00 AM3.7 ft	4:18 PM2.1 ft	6:45 PM2.3 ft	10:54 AM	5:40 PM	100%
Wed Nov 25	2:47 AM-1.0 ft	10:49 AM3.9 ft	5:11 PM2.1 ft	7:39 PM2.2 ft	10:56 AM	5:38 PM	98%
Thu Nov 26	3:33 AM-1.1 ft	11:40 AM3.9 ft	6:06 PM2.0 ft	8:37 PM2.2 ft	10:58 AM	5:36 PM	94%
Fri Nov 27	4:22 AM-1.0 ft	12:28 PM3.9 ft	6:57 PM1.9 ft	9:38 PM2.1 ft	11:01 AM	5:35 PM	88%
Sat Nov 28	5:15 AM-0.8 ft	1:13 PM3.8 ft	7:46 PM1.7 ft	10:53 PM2.0 ft	11:03 AM	5:33 PM	80%
Sun Nov 29	6:13 AM-0.4 ft	1:55 PM3.6 ft	8:37 PM1.4 ft		11:05 AM	5:32 PM	71%
Mon Nov 30	12:42 AM1.9 ft	7:12 AM0.1 ft	2:37 PM3.4 ft	9:30 PM1.0 ft	11:07 AM	5:30 PM	61%

Tidal datums at Offshore St Matthew Island (GNSS Buoy)

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9466229, in feet above MLLW:

MHHW

29.96 ft

Mean higher high water

MHW

29.66 ft

Mean high water

MSL

28.43 ft

Mean sea level

MLW

27.42 ft

Mean low water

2.24 ft

Mean range

3.19 ft

Diurnal range

Nearby tide stations

St. Matthew Island8.2 mi · next high 3:08 PM
Niyrakpak Lagoon entrance226 mi · next high 3:01 AM
Fossil River entrance227 mi · next high 3:28 AM
Savoonga236 mi · next high 4:33 AM
Village Cove, St. Paul Island239 mi · next high 3:02 PM

Questions

What time is high tide at Offshore St Matthew Island (GNSS Buoy) today?

High tide at Offshore St Matthew Island (GNSS Buoy), Alaska on Sunday, October 18, 2026 is at 5:14 PM (2.8 ft above MLLW), NOAA prediction, local time.

What time is low tide at Offshore St Matthew Island (GNSS Buoy) today?

Low tide at Offshore St Matthew Island (GNSS Buoy) on Sunday, October 18, 2026 is at 8:35 AM (0.4 ft).

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 9466229.