Alaska tide station

Sweeper Cove, Kuluk Bay, Adak Island tide times

Today, Sunday, October 18, 2026: high tide at 3:07 PM (3.5 ft); low tide at 5:41 AM (-0.2 ft).

NOAA station 9461380 · Reference station · MLLW datum · times in HDT · sunrise 9:17 AM, sunset 7:46 PM · first quarter (53% lit)

Low tide▼

5:41AM

-0.2FT MLLW

low

High tide▲

3:07PM

3.5FT 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 5:41 AM (-0.2 ft).

First Quarter 53% litSunrise 9:17 AMSunset 7:46 PMDaylight 10h 28mHDT

High tide at Sweeper Cove, Kuluk Bay, Adak Island, Alaska on October 18, 2026 is at 3:07 PM (3.5 ft above MLLW).
Low tide at Sweeper Cove, Kuluk Bay, Adak Island on October 18, 2026 is at 5:41 AM (-0.2 ft).
Today's tidal range at Sweeper Cove, Kuluk Bay, Adak Island is 3.7 ft (highest high 3.5 ft, lowest low -0.2 ft).
Sunrise 9:17 AM, sunset 7:46 PM (HDT); moon first quarter, 53% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9461380 (harmonic reference station), heights above MLLW.

Next 7 days at Sweeper Cove, Kuluk Bay, Adak Island

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	5:41 AM-0.2 ft	3:07 PM3.5 ft			9:17 AM	7:46 PM	53%
Mon Oct 19	6:20 AM0.0 ft	3:32 PM3.3 ft	7:19 PM3.1 ft	9:27 PM3.2 ft	9:19 AM	7:44 PM	63%
Tue Oct 20	6:56 AM0.2 ft	3:42 PM3.1 ft	7:57 PM2.8 ft	10:40 PM2.9 ft	9:21 AM	7:42 PM	73%
Wed Oct 21	7:27 AM0.6 ft	3:34 PM2.9 ft	8:42 PM2.4 ft		9:22 AM	7:40 PM	82%
Thu Oct 22	12:08 AM2.6 ft	7:52 AM1.0 ft	3:19 PM2.9 ft	9:29 PM1.9 ft	9:24 AM	7:38 PM	89%
Fri Oct 23	2:05 AM2.2 ft	8:06 AM1.5 ft	3:07 PM2.9 ft	10:16 PM1.3 ft	9:26 AM	7:36 PM	95%
Sat Oct 24	4:46 AM2.1 ft	7:48 AM2.1 ft	2:58 PM3.2 ft	11:03 PM0.7 ft	9:28 AM	7:34 PM	99%

Water temperature

No NOAA water-temperature sensor or NDBC buoy reports within 100 miles of Sweeper Cove, Kuluk Bay, Adak Island.

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					8:48 AM	8:24 PM	70%
Fri Oct 2					8:50 AM	8:22 PM	60%
Sat Oct 3					8:52 AM	8:19 PM	50%
Sun Oct 4					8:53 AM	8:17 PM	39%
Mon Oct 5					8:55 AM	8:15 PM	29%
Tue Oct 6					8:57 AM	8:12 PM	20%
Wed Oct 7					8:58 AM	8:10 PM	12%
Thu Oct 8					9:00 AM	8:08 PM	6%
Fri Oct 9					9:02 AM	8:06 PM	2%
Sat Oct 10					9:03 AM	8:03 PM	0%
Sun Oct 11					9:05 AM	8:01 PM	0%
Mon Oct 12					9:07 AM	7:59 PM	3%
Tue Oct 13					9:09 AM	7:57 PM	8%
Wed Oct 14					9:10 AM	7:55 PM	14%
Thu Oct 15					9:12 AM	7:52 PM	23%
Fri Oct 16	4:17 AM-0.4 ft	1:53 PM3.8 ft			9:14 AM	7:50 PM	32%
Sat Oct 17	4:59 AM-0.3 ft	2:32 PM3.7 ft			9:15 AM	7:48 PM	42%
Sun Oct 18today	5:41 AM-0.2 ft	3:07 PM3.5 ft			9:17 AM	7:46 PM	53%
Mon Oct 19	6:20 AM0.0 ft	3:32 PM3.3 ft	7:19 PM3.1 ft	9:27 PM3.2 ft	9:19 AM	7:44 PM	63%
Tue Oct 20	6:56 AM0.2 ft	3:42 PM3.1 ft	7:57 PM2.8 ft	10:40 PM2.9 ft	9:21 AM	7:42 PM	73%
Wed Oct 21	7:27 AM0.6 ft	3:34 PM2.9 ft	8:42 PM2.4 ft		9:22 AM	7:40 PM	82%
Thu Oct 22	12:08 AM2.6 ft	7:52 AM1.0 ft	3:19 PM2.9 ft	9:29 PM1.9 ft	9:24 AM	7:38 PM	89%
Fri Oct 23	2:05 AM2.2 ft	8:06 AM1.5 ft	3:07 PM2.9 ft	10:16 PM1.3 ft	9:26 AM	7:36 PM	95%
Sat Oct 24	4:46 AM2.1 ft	7:48 AM2.1 ft	2:58 PM3.2 ft	11:03 PM0.7 ft	9:28 AM	7:34 PM	99%
Sun Oct 25	2:57 PM3.5 ft	11:50 PM0.1 ft			9:29 AM	7:32 PM	100%
Mon Oct 26	3:06 PM3.9 ft				9:31 AM	7:30 PM	99%
Tue Oct 27	12:39 AM-0.5 ft	3:30 PM4.3 ft			9:33 AM	7:28 PM	96%
Wed Oct 28	1:30 AM-0.9 ft	4:10 PM4.5 ft			9:35 AM	7:26 PM	91%
Thu Oct 29	2:23 AM-1.2 ft	5:09 PM4.5 ft			9:37 AM	7:24 PM	84%
Fri Oct 30	3:16 AM-1.3 ft	6:25 PM4.4 ft			9:38 AM	7:22 PM	75%
Sat Oct 31	4:08 AM-1.3 ft	1:49 PM4.1 ft	4:29 PM4.0 ft	7:49 PM4.1 ft	9:40 AM	7:20 PM	66%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	3:59 AM-1.0 ft	12:57 PM3.8 ft	4:45 PM3.5 ft	8:14 PM3.8 ft	8:42 AM	6:18 PM	55%
Mon Nov 2	4:48 AM-0.6 ft	1:08 PM3.7 ft	5:56 PM2.9 ft	9:42 PM3.3 ft	8:44 AM	6:16 PM	44%
Tue Nov 3	5:33 AM-0.1 ft	1:21 PM3.5 ft	7:04 PM2.3 ft	11:19 PM2.8 ft	8:46 AM	6:15 PM	34%
Wed Nov 4	6:14 AM0.6 ft	1:34 PM3.5 ft	8:08 PM1.6 ft		8:47 AM	6:13 PM	24%
Thu Nov 5	1:12 AM2.4 ft	6:48 AM1.3 ft	1:44 PM3.5 ft	9:05 PM1.0 ft	8:49 AM	6:11 PM	16%
Fri Nov 6	3:33 AM2.3 ft	7:11 AM2.0 ft	1:52 PM3.6 ft	9:55 PM0.4 ft	8:51 AM	6:09 PM	9%
Sat Nov 7	1:53 PM3.7 ft	10:40 PM-0.0 ft			8:53 AM	6:08 PM	4%
Sun Nov 8	1:44 PM3.8 ft	11:22 PM-0.3 ft			8:54 AM	6:06 PM	1%
Mon Nov 9	1:06 PM4.0 ft				8:56 AM	6:04 PM	0%
Tue Nov 10	12:00 AM-0.5 ft	11:58 AM4.2 ft			8:58 AM	6:03 PM	2%
Wed Nov 11	12:39 AM-0.5 ft	11:37 AM4.3 ft			9:00 AM	6:01 PM	5%
Thu Nov 12	1:17 AM-0.5 ft	11:51 AM4.4 ft			9:02 AM	6:00 PM	11%
Fri Nov 13	1:56 AM-0.5 ft	12:12 PM4.3 ft			9:03 AM	5:58 PM	18%
Sat Nov 14	2:35 AM-0.4 ft	12:34 PM4.2 ft			9:05 AM	5:57 PM	27%
Sun Nov 15	3:12 AM-0.3 ft	12:52 PM4.0 ft			9:07 AM	5:56 PM	37%
Mon Nov 16	3:47 AM-0.1 ft	1:04 PM3.8 ft			9:09 AM	5:54 PM	48%
Tue Nov 17	4:17 AM0.2 ft	1:04 PM3.6 ft			9:10 AM	5:53 PM	58%
Wed Nov 18	4:42 AM0.6 ft	12:55 PM3.4 ft			9:12 AM	5:52 PM	68%
Thu Nov 19	4:56 AM1.1 ft	12:42 PM3.4 ft	8:04 PM1.7 ft		9:14 AM	5:50 PM	78%
Fri Nov 20	12:12 AM2.0 ft	4:47 AM1.6 ft	12:32 PM3.6 ft	8:28 PM1.1 ft	9:15 AM	5:49 PM	86%
Sat Nov 21	12:27 PM3.9 ft	9:02 PM0.4 ft			9:17 AM	5:48 PM	93%
Sun Nov 22	12:30 PM4.3 ft	9:42 PM-0.2 ft			9:19 AM	5:47 PM	97%
Mon Nov 23	12:45 PM4.7 ft	10:28 PM-0.8 ft			9:20 AM	5:46 PM	100%
Tue Nov 24	1:13 PM5.0 ft	11:17 PM-1.2 ft			9:22 AM	5:45 PM	100%
Wed Nov 25	1:53 PM5.2 ft				9:23 AM	5:44 PM	98%
Thu Nov 26	12:09 AM-1.5 ft	2:45 PM5.1 ft			9:25 AM	5:43 PM	94%
Fri Nov 27	1:01 AM-1.5 ft	3:51 PM4.8 ft			9:26 AM	5:42 PM	88%
Sat Nov 28	1:53 AM-1.4 ft	11:57 AM4.3 ft	2:13 PM4.3 ft	5:12 PM4.4 ft	9:28 AM	5:41 PM	80%
Sun Nov 29	2:42 AM-1.1 ft	11:43 AM4.1 ft	3:59 PM3.7 ft	6:44 PM3.8 ft	9:29 AM	5:41 PM	71%
Mon Nov 30	3:29 AM-0.6 ft	11:48 AM4.0 ft	5:16 PM3.0 ft	8:25 PM3.2 ft	9:31 AM	5:40 PM	60%

Tidal datums at Sweeper Cove, Kuluk Bay, Adak Island

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9461380, in feet above MLLW:

MHHW

6.67 ft

Mean higher high water

MHW

6.42 ft

Mean high water

MSL

5.09 ft

Mean sea level

MLW

3.53 ft

Mean low water

2.90 ft

Mean range

3.71 ft

Diurnal range

Highest observed water level: 9.80 ft above MLLW on December 28, 1966. Tidal datum epoch 1983-2001.

Nearby tide stations

Unalga Bight9.1 mi · next high 3:00 PM
Laska Cove, Kagalaska Island10 mi · next high 3:03 PM
Adak Bight11 mi · next high 1:43 PM
Boot Bay11 mi · next high 1:29 PM
Bay of Waterfalls17 mi · next high 1:47 PM
Shoal Point18 mi · next high 3:08 PM

Questions

What time is high tide at Sweeper Cove, Kuluk Bay, Adak Island today?

High tide at Sweeper Cove, Kuluk Bay, Adak Island, Alaska on Sunday, October 18, 2026 is at 3:07 PM (3.5 ft above MLLW), NOAA prediction, local time.

What time is low tide at Sweeper Cove, Kuluk Bay, Adak Island today?

Low tide at Sweeper Cove, Kuluk Bay, Adak Island on Sunday, October 18, 2026 is at 5:41 AM (-0.2 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 9461380.