Alaska tide station

Old Harbor tide times

Today, Sunday, October 18, 2026: high tide at 8:26 AM (5.5 ft) and 7:12 PM (6.3 ft); low tide at 1:23 AM (1.8 ft) and 1:16 PM (4.7 ft). Water temperature 48.0 F at buoy ALIA2 (41 mi away).

NOAA station 9457527 · Reference station · MLLW datum · times in AKDT · sunrise 8:54 AM, sunset 7:02 PM · first quarter (52% lit)

Low tide▼

1:23AM

1.8FT MLLW

low

High tide▲

8:26AM

5.5FT MLLW

high

Low tide▼

1:16PM

4.7FT MLLW

low

High tide▲

7:12PM

6.3FT 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 1:23 AM (1.8 ft).

First Quarter 52% litSunrise 8:54 AMSunset 7:02 PMDaylight 10h 07mAKDT

High tide at Old Harbor, Alaska on October 18, 2026 is at 8:26 AM (5.5 ft above MLLW) and 7:12 PM (6.3 ft above MLLW).
Low tide at Old Harbor on October 18, 2026 is at 1:23 AM (1.8 ft) and 1:16 PM (4.7 ft).
Today's tidal range at Old Harbor is 4.5 ft (highest high 6.3 ft, lowest low 1.8 ft).
The nearest NOAA water temperature to Old Harbor is 48.0 F at buoy ALIA2 (41 mi away), as of October 18, 2026.
Sunrise 8:54 AM, sunset 7:02 PM (AKDT); moon first quarter, 52% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9457527 (harmonic reference station), heights above MLLW.

Next 7 days at Old Harbor

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	1:23 AM1.8 ft	8:26 AM5.5 ft	1:16 PM4.7 ft	7:12 PM6.3 ft	8:54 AM	7:02 PM	52%
Mon Oct 19	2:44 AM2.0 ft	9:49 AM5.9 ft	3:21 PM4.4 ft	8:48 PM6.2 ft	8:56 AM	7:00 PM	63%
Tue Oct 20	3:54 AM1.9 ft	10:41 AM6.4 ft	4:36 PM3.7 ft	10:10 PM6.4 ft	8:59 AM	6:57 PM	73%
Wed Oct 21	4:47 AM1.7 ft	11:18 AM7.1 ft	5:27 PM2.7 ft	11:14 PM6.8 ft	9:01 AM	6:55 PM	82%
Thu Oct 22	5:31 AM1.5 ft	11:51 AM7.8 ft	6:09 PM1.7 ft		9:03 AM	6:52 PM	89%
Fri Oct 23	12:06 AM7.3 ft	6:10 AM1.4 ft	12:22 PM8.5 ft	6:47 PM0.7 ft	9:05 AM	6:50 PM	95%
Sat Oct 24	12:52 AM7.8 ft	6:46 AM1.4 ft	12:54 PM9.1 ft	7:24 PM-0.3 ft	9:08 AM	6:47 PM	98%

Water temperature near Old Harbor

48.0 F (8.9 C)

NDBC buoy ALIA2 (9457804 - Alitak, AK), 41 mi away, observed 08:48 UTC October 18, 2026

Water temperature is the nearest NOAA reading to Old Harbor, 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 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					8:18 AM	7:48 PM	71%
Fri Oct 2					8:20 AM	7:45 PM	61%
Sat Oct 3					8:22 AM	7:42 PM	50%
Sun Oct 4					8:24 AM	7:39 PM	40%
Mon Oct 5					8:26 AM	7:37 PM	29%
Tue Oct 6					8:28 AM	7:34 PM	20%
Wed Oct 7					8:31 AM	7:31 PM	12%
Thu Oct 8					8:33 AM	7:29 PM	6%
Fri Oct 9					8:35 AM	7:26 PM	2%
Sat Oct 10					8:37 AM	7:23 PM	0%
Sun Oct 11					8:39 AM	7:21 PM	0%
Mon Oct 12					8:41 AM	7:18 PM	3%
Tue Oct 13					8:43 AM	7:15 PM	8%
Wed Oct 14					8:46 AM	7:13 PM	14%
Thu Oct 15					8:48 AM	7:10 PM	22%
Fri Oct 16	6:04 AM6.0 ft	11:01 AM3.9 ft	5:06 PM7.4 ft		8:50 AM	7:07 PM	32%
Sat Oct 17	12:18 AM1.4 ft	7:05 AM5.6 ft	11:48 AM4.4 ft	5:55 PM6.8 ft	8:52 AM	7:05 PM	42%
Sun Oct 18today	1:23 AM1.8 ft	8:26 AM5.5 ft	1:16 PM4.7 ft	7:12 PM6.3 ft	8:54 AM	7:02 PM	52%
Mon Oct 19	2:44 AM2.0 ft	9:49 AM5.9 ft	3:21 PM4.4 ft	8:48 PM6.2 ft	8:56 AM	7:00 PM	63%
Tue Oct 20	3:54 AM1.9 ft	10:41 AM6.4 ft	4:36 PM3.7 ft	10:10 PM6.4 ft	8:59 AM	6:57 PM	73%
Wed Oct 21	4:47 AM1.7 ft	11:18 AM7.1 ft	5:27 PM2.7 ft	11:14 PM6.8 ft	9:01 AM	6:55 PM	82%
Thu Oct 22	5:31 AM1.5 ft	11:51 AM7.8 ft	6:09 PM1.7 ft		9:03 AM	6:52 PM	89%
Fri Oct 23	12:06 AM7.3 ft	6:10 AM1.4 ft	12:22 PM8.5 ft	6:47 PM0.7 ft	9:05 AM	6:50 PM	95%
Sat Oct 24	12:52 AM7.8 ft	6:46 AM1.4 ft	12:54 PM9.1 ft	7:24 PM-0.3 ft	9:08 AM	6:47 PM	98%
Sun Oct 25	1:36 AM8.1 ft	7:22 AM1.6 ft	1:26 PM9.6 ft	8:01 PM-1.0 ft	9:10 AM	6:45 PM	100%
Mon Oct 26	2:18 AM8.2 ft	7:57 AM1.8 ft	1:59 PM9.9 ft	8:40 PM-1.5 ft	9:12 AM	6:42 PM	99%
Tue Oct 27	3:01 AM8.2 ft	8:33 AM2.1 ft	2:35 PM10.1 ft	9:21 PM-1.6 ft	9:14 AM	6:40 PM	96%
Wed Oct 28	3:46 AM7.9 ft	9:11 AM2.4 ft	3:13 PM10.0 ft	10:06 PM-1.5 ft	9:16 AM	6:37 PM	91%
Thu Oct 29	4:36 AM7.5 ft	9:53 AM2.9 ft	3:57 PM9.6 ft	10:56 PM-1.0 ft	9:19 AM	6:35 PM	84%
Fri Oct 30	5:30 AM7.1 ft	10:42 AM3.3 ft	4:46 PM9.0 ft	11:51 PM-0.4 ft	9:21 AM	6:33 PM	76%
Sat Oct 31	6:33 AM6.7 ft	11:44 AM3.8 ft	5:47 PM8.2 ft		9:23 AM	6:30 PM	66%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	12:57 AM0.3 ft	6:46 AM6.6 ft	12:11 PM4.0 ft	6:04 PM7.4 ft	8:25 AM	5:28 PM	55%
Mon Nov 2	1:12 AM0.9 ft	8:03 AM6.9 ft	1:57 PM3.6 ft	7:36 PM6.9 ft	8:28 AM	5:26 PM	45%
Tue Nov 3	2:26 AM1.2 ft	9:08 AM7.5 ft	3:21 PM2.8 ft	9:05 PM6.9 ft	8:30 AM	5:23 PM	34%
Wed Nov 4	3:29 AM1.4 ft	9:59 AM8.1 ft	4:23 PM1.7 ft	10:21 PM7.1 ft	8:32 AM	5:21 PM	25%
Thu Nov 5	4:22 AM1.6 ft	10:41 AM8.6 ft	5:13 PM0.8 ft	11:20 PM7.4 ft	8:34 AM	5:19 PM	16%
Fri Nov 6	5:08 AM1.8 ft	11:19 AM9.1 ft	5:57 PM0.0 ft		8:37 AM	5:17 PM	9%
Sat Nov 7	12:09 AM7.6 ft	5:49 AM2.0 ft	11:53 AM9.3 ft	6:35 PM-0.5 ft	8:39 AM	5:15 PM	4%
Sun Nov 8	12:52 AM7.7 ft	6:27 AM2.3 ft	12:26 PM9.4 ft	7:11 PM-0.7 ft	8:41 AM	5:13 PM	1%
Mon Nov 9	1:30 AM7.7 ft	7:01 AM2.6 ft	12:57 PM9.3 ft	7:45 PM-0.8 ft	8:43 AM	5:11 PM	0%
Tue Nov 10	2:07 AM7.5 ft	7:33 AM2.9 ft	1:28 PM9.1 ft	8:19 PM-0.6 ft	8:46 AM	5:09 PM	1%
Wed Nov 11	2:43 AM7.3 ft	8:04 AM3.2 ft	1:59 PM8.8 ft	8:52 PM-0.3 ft	8:48 AM	5:07 PM	5%
Thu Nov 12	3:21 AM7.0 ft	8:35 AM3.6 ft	2:30 PM8.5 ft	9:27 PM0.1 ft	8:50 AM	5:05 PM	11%
Fri Nov 13	4:02 AM6.7 ft	9:08 AM3.9 ft	3:02 PM8.0 ft	10:05 PM0.6 ft	8:52 AM	5:03 PM	18%
Sat Nov 14	4:47 AM6.4 ft	9:48 AM4.2 ft	3:39 PM7.6 ft	10:46 PM1.0 ft	8:54 AM	5:01 PM	27%
Sun Nov 15	5:37 AM6.3 ft	10:39 AM4.4 ft	4:25 PM7.0 ft	11:34 PM1.5 ft	8:57 AM	4:59 PM	37%
Mon Nov 16	6:34 AM6.3 ft	11:54 AM4.5 ft	5:29 PM6.5 ft		8:59 AM	4:57 PM	47%
Tue Nov 17	12:31 AM1.9 ft	7:32 AM6.6 ft	1:30 PM4.2 ft	6:54 PM6.1 ft	9:01 AM	4:56 PM	58%
Wed Nov 18	1:34 AM2.1 ft	8:24 AM7.0 ft	2:47 PM3.4 ft	8:20 PM6.1 ft	9:03 AM	4:54 PM	68%
Thu Nov 19	2:33 AM2.3 ft	9:09 AM7.6 ft	3:44 PM2.4 ft	9:34 PM6.3 ft	9:05 AM	4:52 PM	77%
Fri Nov 20	3:26 AM2.4 ft	9:50 AM8.3 ft	4:32 PM1.3 ft	10:36 PM6.8 ft	9:07 AM	4:51 PM	86%
Sat Nov 21	4:15 AM2.4 ft	10:30 AM8.9 ft	5:16 PM0.2 ft	11:31 PM7.3 ft	9:09 AM	4:49 PM	92%
Sun Nov 22	5:01 AM2.5 ft	11:10 AM9.5 ft	5:59 PM-0.8 ft		9:11 AM	4:47 PM	97%
Mon Nov 23	12:20 AM7.7 ft	5:46 AM2.6 ft	11:50 AM10.0 ft	6:42 PM-1.5 ft	9:13 AM	4:46 PM	100%
Tue Nov 24	1:07 AM7.9 ft	6:30 AM2.6 ft	12:32 PM10.3 ft	7:26 PM-1.9 ft	9:15 AM	4:45 PM	100%
Wed Nov 25	1:53 AM8.0 ft	7:14 AM2.7 ft	1:15 PM10.4 ft	8:11 PM-2.0 ft	9:17 AM	4:43 PM	98%
Thu Nov 26	2:41 AM7.9 ft	8:00 AM2.9 ft	2:00 PM10.3 ft	8:59 PM-1.8 ft	9:19 AM	4:42 PM	94%
Fri Nov 27	3:31 AM7.8 ft	8:50 AM3.1 ft	2:49 PM9.8 ft	9:48 PM-1.3 ft	9:21 AM	4:41 PM	88%
Sat Nov 28	4:24 AM7.6 ft	9:46 AM3.3 ft	3:43 PM9.1 ft	10:40 PM-0.6 ft	9:23 AM	4:40 PM	80%
Sun Nov 29	5:20 AM7.5 ft	10:52 AM3.4 ft	4:44 PM8.2 ft	11:35 PM0.2 ft	9:25 AM	4:38 PM	71%
Mon Nov 30	6:19 AM7.6 ft	12:12 PM3.4 ft	5:55 PM7.3 ft		9:27 AM	4:37 PM	61%

Tidal datums at Old Harbor

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9457527, in feet above MLLW:

MHHW

26.40 ft

Mean higher high water

MHW

25.76 ft

Mean high water

MSL

22.51 ft

Mean sea level

MLW

19.30 ft

Mean low water

6.47 ft

Mean range

8.31 ft

Diurnal range

Nearby tide stations

Port Hobron, Sitkalidak Island6.3 mi · next high 8:39 AM
Japanese Bay22 mi · next high 8:27 AM
Mining Camp26 mi · next high 8:37 AM
Zachar Bay29 mi · next high 9:05 AM
Ugak Bay (Saltery Cove)29 mi · next high 8:28 AM
Larsen Bay34 mi · next high 8:47 AM

Questions

What time is high tide at Old Harbor today?

High tide at Old Harbor, Alaska on Sunday, October 18, 2026 is at 8:26 AM (5.5 ft above MLLW) and 7:12 PM (6.3 ft above MLLW), NOAA prediction, local time.

What time is low tide at Old Harbor today?

Low tide at Old Harbor on Sunday, October 18, 2026 is at 1:23 AM (1.8 ft) and 1:16 PM (4.7 ft).

What is the water temperature at Old Harbor?

The nearest NOAA water-temperature reading to Old Harbor is 48.0 F at buoy ALIA2 (41 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 9457527.