Alaska tide station

Rootok Island tide times

Today, Sunday, October 18, 2026: high tide at 12:18 PM (3.9 ft) and 6:36 PM (4.0 ft); low tide at 2:24 AM (0.9 ft) and 2:30 PM (3.8 ft). Water temperature 45.1 F at buoy UNLA2 (43 mi away).

NOAA station 9462723 · Reference station · MLLW datum · times in HDT · sunrise 8:37 AM, sunset 6:58 PM · first quarter (53% lit)

Low tide▼

2:24AM

0.9FT MLLW

low

High tide▲

12:18PM

3.9FT MLLW

high

Low tide▼

2:30PM

3.8FT MLLW

low

High tide▲

6:36PM

4.0FT MLLW

high

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

As of 12:20 AM the tide is falling toward low tide at 2:24 AM (0.9 ft).

First Quarter 53% litSunrise 8:37 AMSunset 6:58 PMDaylight 10h 20mHDT

High tide at Rootok Island, Alaska on October 18, 2026 is at 12:18 PM (3.9 ft above MLLW) and 6:36 PM (4.0 ft above MLLW).
Low tide at Rootok Island on October 18, 2026 is at 2:24 AM (0.9 ft) and 2:30 PM (3.8 ft).
Today's tidal range at Rootok Island is 3.1 ft (highest high 4.0 ft, lowest low 0.9 ft).
The nearest NOAA water temperature to Rootok Island is 45.1 F at buoy UNLA2 (43 mi away), as of October 18, 2026.
Sunrise 8:37 AM, sunset 6:58 PM (HDT); moon first quarter, 53% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9462723 (harmonic reference station), heights above MLLW.

Next 7 days at Rootok Island

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	2:24 AM0.9 ft	12:18 PM3.9 ft	2:30 PM3.8 ft	6:36 PM4.0 ft	8:37 AM	6:58 PM	53%
Mon Oct 19	3:30 AM0.9 ft	12:18 PM3.9 ft	4:24 PM3.4 ft	8:36 PM3.8 ft	8:39 AM	6:55 PM	63%
Tue Oct 20	4:24 AM0.9 ft	12:18 PM4.0 ft	5:18 PM2.8 ft	10:00 PM3.8 ft	8:40 AM	6:53 PM	73%
Wed Oct 21	5:06 AM0.9 ft	12:00 PM4.1 ft	5:54 PM2.1 ft	11:06 PM3.9 ft	8:42 AM	6:51 PM	82%
Thu Oct 22	5:48 AM1.0 ft	12:06 PM4.4 ft	6:30 PM1.4 ft		8:44 AM	6:49 PM	89%
Fri Oct 23	12:12 AM4.1 ft	6:18 AM1.2 ft	12:24 PM4.8 ft	7:00 PM0.6 ft	8:46 AM	6:46 PM	95%
Sat Oct 24	1:06 AM4.2 ft	6:54 AM1.5 ft	12:54 PM5.1 ft	7:36 PM-0.1 ft	8:48 AM	6:44 PM	99%

Water temperature near Rootok Island

45.1 F (7.3 C)

NDBC buoy UNLA2 (9462620 - Unalaska, AK), 43 mi away, observed 08:48 UTC October 18, 2026

Water temperature is the nearest NOAA reading to Rootok Island, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in HDT 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					8:05 AM	7:38 PM	70%
Fri Oct 2					8:07 AM	7:36 PM	60%
Sat Oct 3					8:09 AM	7:33 PM	50%
Sun Oct 4					8:10 AM	7:31 PM	39%
Mon Oct 5					8:12 AM	7:28 PM	29%
Tue Oct 6					8:14 AM	7:26 PM	20%
Wed Oct 7					8:16 AM	7:24 PM	12%
Thu Oct 8					8:18 AM	7:21 PM	6%
Fri Oct 9					8:20 AM	7:19 PM	2%
Sat Oct 10					8:22 AM	7:16 PM	0%
Sun Oct 11					8:23 AM	7:14 PM	0%
Mon Oct 12					8:25 AM	7:12 PM	3%
Tue Oct 13					8:27 AM	7:09 PM	8%
Wed Oct 14					8:29 AM	7:07 PM	14%
Thu Oct 15					8:31 AM	7:04 PM	23%
Fri Oct 16	12:06 AM0.5 ft	4:24 PM4.6 ft			8:33 AM	7:02 PM	32%
Sat Oct 17	1:12 AM0.7 ft	4:54 PM4.3 ft			8:35 AM	7:00 PM	42%
Sun Oct 18today	2:24 AM0.9 ft	12:18 PM3.9 ft	2:30 PM3.8 ft	6:36 PM4.0 ft	8:37 AM	6:58 PM	53%
Mon Oct 19	3:30 AM0.9 ft	12:18 PM3.9 ft	4:24 PM3.4 ft	8:36 PM3.8 ft	8:39 AM	6:55 PM	63%
Tue Oct 20	4:24 AM0.9 ft	12:18 PM4.0 ft	5:18 PM2.8 ft	10:00 PM3.8 ft	8:40 AM	6:53 PM	73%
Wed Oct 21	5:06 AM0.9 ft	12:00 PM4.1 ft	5:54 PM2.1 ft	11:06 PM3.9 ft	8:42 AM	6:51 PM	82%
Thu Oct 22	5:48 AM1.0 ft	12:06 PM4.4 ft	6:30 PM1.4 ft		8:44 AM	6:49 PM	89%
Fri Oct 23	12:12 AM4.1 ft	6:18 AM1.2 ft	12:24 PM4.8 ft	7:00 PM0.6 ft	8:46 AM	6:46 PM	95%
Sat Oct 24	1:06 AM4.2 ft	6:54 AM1.5 ft	12:54 PM5.1 ft	7:36 PM-0.1 ft	8:48 AM	6:44 PM	99%
Sun Oct 25	1:54 AM4.4 ft	7:24 AM1.9 ft	1:24 PM5.5 ft	8:18 PM-0.7 ft	8:50 AM	6:42 PM	100%
Mon Oct 26	2:48 AM4.5 ft	8:00 AM2.3 ft	1:54 PM5.8 ft	9:00 PM-1.1 ft	8:52 AM	6:40 PM	99%
Tue Oct 27	3:42 AM4.5 ft	8:36 AM2.8 ft	2:24 PM6.0 ft	9:48 PM-1.2 ft	8:54 AM	6:38 PM	96%
Wed Oct 28	4:36 AM4.3 ft	9:12 AM3.2 ft	3:00 PM6.1 ft	10:36 PM-1.2 ft	8:56 AM	6:36 PM	91%
Thu Oct 29	5:42 AM4.2 ft	9:54 AM3.5 ft	3:42 PM5.9 ft	11:36 PM-0.9 ft	8:58 AM	6:33 PM	84%
Fri Oct 30	7:18 AM4.1 ft	10:48 AM3.8 ft	4:36 PM5.6 ft		9:00 AM	6:31 PM	75%
Sat Oct 31	12:36 AM-0.6 ft	9:18 AM4.1 ft	12:06 PM3.9 ft	5:36 PM5.1 ft	9:02 AM	6:29 PM	66%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	1:48 AM-0.2 ft	9:12 AM4.3 ft	1:12 PM3.7 ft	6:06 PM4.6 ft	8:04 AM	5:27 PM	55%
Mon Nov 2	2:00 AM0.2 ft	9:54 AM4.5 ft	3:00 PM3.1 ft	7:42 PM4.1 ft	8:06 AM	5:25 PM	44%
Tue Nov 3	3:00 AM0.5 ft	10:24 AM4.6 ft	4:12 PM2.2 ft	9:18 PM3.9 ft	8:08 AM	5:23 PM	34%
Wed Nov 4	3:54 AM0.9 ft	10:42 AM4.8 ft	5:06 PM1.4 ft	10:54 PM3.9 ft	8:10 AM	5:21 PM	24%
Thu Nov 5	4:42 AM1.3 ft	11:00 AM5.0 ft	5:48 PM0.6 ft		8:12 AM	5:20 PM	16%
Fri Nov 6	12:06 AM4.0 ft	5:24 AM1.8 ft	11:24 AM5.2 ft	6:24 PM0.1 ft	8:14 AM	5:18 PM	9%
Sat Nov 7	1:00 AM4.1 ft	6:00 AM2.2 ft	11:48 AM5.4 ft	7:00 PM-0.3 ft	8:16 AM	5:16 PM	4%
Sun Nov 8	1:54 AM4.2 ft	6:30 AM2.6 ft	12:12 PM5.5 ft	7:36 PM-0.5 ft	8:18 AM	5:14 PM	1%
Mon Nov 9	2:36 AM4.2 ft	7:00 AM3.0 ft	12:42 PM5.5 ft	8:06 PM-0.5 ft	8:19 AM	5:12 PM	0%
Tue Nov 10	3:24 AM4.1 ft	7:30 AM3.3 ft	1:12 PM5.5 ft	8:42 PM-0.4 ft	8:21 AM	5:11 PM	2%
Wed Nov 11	4:06 AM4.1 ft	7:54 AM3.6 ft	1:36 PM5.4 ft	9:18 PM-0.2 ft	8:23 AM	5:09 PM	5%
Thu Nov 12	5:00 AM4.0 ft	8:24 AM3.8 ft	2:00 PM5.3 ft	9:54 PM0.1 ft	8:25 AM	5:07 PM	11%
Fri Nov 13	2:24 PM5.1 ft	10:36 PM0.3 ft			8:27 AM	5:06 PM	18%
Sat Nov 14	2:48 PM4.9 ft	11:24 PM0.6 ft			8:29 AM	5:04 PM	27%
Sun Nov 15	3:24 PM4.5 ft				8:31 AM	5:02 PM	37%
Mon Nov 16	12:12 AM0.8 ft	9:36 AM4.0 ft	12:48 PM3.8 ft	4:30 PM4.0 ft	8:33 AM	5:01 PM	48%
Tue Nov 17	1:06 AM1.0 ft	8:54 AM4.1 ft	2:36 PM3.3 ft	6:48 PM3.6 ft	8:35 AM	4:59 PM	58%
Wed Nov 18	2:00 AM1.3 ft	9:00 AM4.3 ft	3:36 PM2.6 ft	8:24 PM3.5 ft	8:37 AM	4:58 PM	68%
Thu Nov 19	2:48 AM1.5 ft	9:24 AM4.6 ft	4:18 PM1.8 ft	9:42 PM3.6 ft	8:38 AM	4:57 PM	78%
Fri Nov 20	3:36 AM1.9 ft	9:54 AM5.0 ft	5:00 PM0.9 ft	11:00 PM3.8 ft	8:40 AM	4:55 PM	86%
Sat Nov 21	4:18 AM2.2 ft	10:30 AM5.4 ft	5:36 PM0.1 ft		8:42 AM	4:54 PM	93%
Sun Nov 22	12:06 AM4.1 ft	5:06 AM2.6 ft	11:06 AM5.9 ft	6:18 PM-0.6 ft	8:44 AM	4:53 PM	97%
Mon Nov 23	1:06 AM4.4 ft	5:48 AM3.0 ft	11:42 AM6.2 ft	7:06 PM-1.2 ft	8:46 AM	4:52 PM	100%
Tue Nov 24	2:00 AM4.6 ft	6:30 AM3.3 ft	12:18 PM6.5 ft	7:48 PM-1.5 ft	8:47 AM	4:50 PM	100%
Wed Nov 25	2:54 AM4.7 ft	7:12 AM3.6 ft	1:00 PM6.7 ft	8:42 PM-1.5 ft	8:49 AM	4:49 PM	98%
Thu Nov 26	3:54 AM4.7 ft	8:00 AM3.8 ft	1:48 PM6.6 ft	9:30 PM-1.4 ft	8:51 AM	4:48 PM	94%
Fri Nov 27	4:54 AM4.6 ft	9:00 AM3.9 ft	2:36 PM6.3 ft	10:24 PM-1.0 ft	8:52 AM	4:47 PM	88%
Sat Nov 28	6:06 AM4.6 ft	10:06 AM3.9 ft	3:36 PM5.7 ft	11:18 PM-0.5 ft	8:54 AM	4:46 PM	80%
Sun Nov 29	7:06 AM4.6 ft	11:30 AM3.7 ft	4:42 PM5.0 ft		8:56 AM	4:45 PM	71%
Mon Nov 30	12:18 AM0.1 ft	7:54 AM4.7 ft	1:12 PM3.2 ft	6:00 PM4.3 ft	8:57 AM	4:45 PM	60%

Tidal datums at Rootok Island

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9462723, in feet above MLLW:

MHHW

23.51 ft

Mean higher high water

MHW

22.96 ft

Mean high water

MSL

21.28 ft

Mean sea level

MLW

19.67 ft

Mean low water

3.28 ft

Mean range

5.06 ft

Diurnal range

Nearby tide stations

Trident Bay, Akun Island6.1 mi · next high 2:36 PM
Green Bight, Akutan Island7.2 mi · next high 6:37 PM
Surf Bay, Akutan Bay7.9 mi · next high 2:45 PM
Akutan, Akutan Island12 mi · next high 2:46 PM
Akun Cove, Akun Island13 mi · next high 3:15 PM
Akutan Harbor, Akutan Island13 mi · next high 2:27 PM

Questions

What time is high tide at Rootok Island today?

High tide at Rootok Island, Alaska on Sunday, October 18, 2026 is at 12:18 PM (3.9 ft above MLLW) and 6:36 PM (4.0 ft above MLLW), NOAA prediction, local time.

What time is low tide at Rootok Island today?

Low tide at Rootok Island on Sunday, October 18, 2026 is at 2:24 AM (0.9 ft) and 2:30 PM (3.8 ft).

What is the water temperature at Rootok Island?

The nearest NOAA water-temperature reading to Rootok Island is 45.1 F at buoy UNLA2 (43 mi away), 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 9462723.