Alaska tide station
Chernofski Harbor tide times
Today, Sunday, October 18, 2026: high tide at 2:34 PM (3.6 ft) and 11:18 PM (2.9 ft); low tide at 6:14 AM (0.0 ft) and 7:52 PM (2.9 ft). Water temperature 45.0 F at Unalaska (53 mi away).
Low tide▼
6:14AM
0.0FT MLLW
low
High tide▲
2:34PM
3.6FT MLLW
high
Low tide▼
7:52PM
2.9FT MLLW
low
High tide▲
11:18PM
2.9FT MLLW
high
Water temp°F
45.0
7.2C
Unalaska, 53 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 1:20 AM the tide is falling toward low tide at 6:14 AM (0.0 ft).
First Quarter 52% litSunrise 9:43 AMSunset 8:07 PMDaylight 10h 23mAKDT
- High tide at Chernofski Harbor, Alaska on is at 2:34 PM (3.6 ft above MLLW) and 11:18 PM (2.9 ft above MLLW).
- Low tide at Chernofski Harbor on is at 6:14 AM (0.0 ft) and 7:52 PM (2.9 ft).
- Today's tidal range at Chernofski Harbor is 3.6 ft (highest high 3.6 ft, lowest low 0.0 ft).
- The nearest NOAA water temperature to Chernofski Harbor is 45.0 F at Unalaska (53 mi away), as of .
- Sunrise 9:43 AM, sunset 8:07 PM (AKDT); moon first quarter, 52% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 9462501 (subordinate station), heights above MLLW.
Next 7 days at Chernofski Harbor
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 6:14 AM0.0 ft | 2:34 PM3.6 ft | 7:52 PM2.9 ft | 11:18 PM2.9 ft | 9:43 AM | 8:07 PM | 52% |
| Mon Oct 19 | 6:53 AM0.2 ft | 3:01 PM3.4 ft | 8:15 PM2.6 ft | 9:45 AM | 8:05 PM | 63% | |
| Tue Oct 20 | 12:10 AM2.7 ft | 7:29 AM0.4 ft | 3:21 PM3.2 ft | 8:40 PM2.3 ft | 9:47 AM | 8:03 PM | 73% |
| Wed Oct 21 | 1:10 AM2.6 ft | 8:01 AM0.7 ft | 3:33 PM3.1 ft | 9:09 PM1.9 ft | 9:49 AM | 8:00 PM | 82% |
| Thu Oct 22 | 2:21 AM2.4 ft | 8:31 AM1.1 ft | 3:35 PM3.0 ft | 9:41 PM1.3 ft | 9:51 AM | 7:58 PM | 89% |
| Fri Oct 23 | 3:40 AM2.3 ft | 8:57 AM1.5 ft | 3:36 PM3.0 ft | 10:18 PM0.8 ft | 9:53 AM | 7:56 PM | 95% |
| Sat Oct 24 | 5:13 AM2.4 ft | 9:22 AM2.1 ft | 3:44 PM3.2 ft | 11:01 PM0.2 ft | 9:55 AM | 7:54 PM | 98% |
Water temperature near Chernofski Harbor
45.0 F (7.2 C)
NOAA CO-OPS station 9462620 (Unalaska sensor, 53 mi away), read 1:00 AM local, October 18, 2026
Over the past 30 days this sensor ranged from 45.0 to 49.3 F. Typical for October here is 45.1 F (5-year hourly mean; range 41.9 to 47.8), so today is 0.1 F below typical.
Water temperature is the nearest NOAA reading to Chernofski 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
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 9:13 AM | 8:47 PM | 71% | ||||
| Fri Oct 2 | 9:14 AM | 8:44 PM | 61% | ||||
| Sat Oct 3 | 9:16 AM | 8:42 PM | 50% | ||||
| Sun Oct 4 | 9:18 AM | 8:40 PM | 40% | ||||
| Mon Oct 5 | 9:20 AM | 8:37 PM | 29% | ||||
| Tue Oct 6 | 9:22 AM | 8:35 PM | 20% | ||||
| Wed Oct 7 | 9:23 AM | 8:32 PM | 12% | ||||
| Thu Oct 8 | 9:25 AM | 8:30 PM | 6% | ||||
| Fri Oct 9 | 9:27 AM | 8:28 PM | 2% | ||||
| Sat Oct 10 | 9:29 AM | 8:25 PM | 0% | ||||
| Sun Oct 11 | 9:31 AM | 8:23 PM | 0% | ||||
| Mon Oct 12 | 9:32 AM | 8:21 PM | 3% | ||||
| Tue Oct 13 | 9:34 AM | 8:18 PM | 8% | ||||
| Wed Oct 14 | 9:36 AM | 8:16 PM | 14% | ||||
| Thu Oct 15 | 9:38 AM | 8:14 PM | 22% | ||||
| Fri Oct 16 | 4:50 AM-0.1 ft | 1:25 PM3.9 ft | 7:04 PM3.1 ft | 9:23 PM2.9 ft | 9:40 AM | 8:11 PM | 32% |
| Sat Oct 17 | 5:33 AM-0.1 ft | 2:02 PM3.8 ft | 7:29 PM3.0 ft | 10:24 PM2.9 ft | 9:42 AM | 8:09 PM | 42% |
| Sun Oct 18today | 6:14 AM0.0 ft | 2:34 PM3.6 ft | 7:52 PM2.9 ft | 11:18 PM2.9 ft | 9:43 AM | 8:07 PM | 52% |
| Mon Oct 19 | 6:53 AM0.2 ft | 3:01 PM3.4 ft | 8:15 PM2.6 ft | 9:45 AM | 8:05 PM | 63% | |
| Tue Oct 20 | 12:10 AM2.7 ft | 7:29 AM0.4 ft | 3:21 PM3.2 ft | 8:40 PM2.3 ft | 9:47 AM | 8:03 PM | 73% |
| Wed Oct 21 | 1:10 AM2.6 ft | 8:01 AM0.7 ft | 3:33 PM3.1 ft | 9:09 PM1.9 ft | 9:49 AM | 8:00 PM | 82% |
| Thu Oct 22 | 2:21 AM2.4 ft | 8:31 AM1.1 ft | 3:35 PM3.0 ft | 9:41 PM1.3 ft | 9:51 AM | 7:58 PM | 89% |
| Fri Oct 23 | 3:40 AM2.3 ft | 8:57 AM1.5 ft | 3:36 PM3.0 ft | 10:18 PM0.8 ft | 9:53 AM | 7:56 PM | 95% |
| Sat Oct 24 | 5:13 AM2.4 ft | 9:22 AM2.1 ft | 3:44 PM3.2 ft | 11:01 PM0.2 ft | 9:55 AM | 7:54 PM | 98% |
| Sun Oct 25 | 7:00 AM2.6 ft | 9:50 AM2.6 ft | 4:02 PM3.4 ft | 11:49 PM-0.3 ft | 9:57 AM | 7:52 PM | 100% |
| Mon Oct 26 | 8:29 AM3.0 ft | 10:33 AM3.1 ft | 4:31 PM3.6 ft | 9:58 AM | 7:50 PM | 99% | |
| Tue Oct 27 | 12:42 AM-0.8 ft | 9:44 AM3.4 ft | 12:04 PM3.5 ft | 5:16 PM3.8 ft | 10:00 AM | 7:48 PM | 96% |
| Wed Oct 28 | 1:37 AM-1.1 ft | 10:39 AM3.7 ft | 1:39 PM3.8 ft | 6:21 PM3.9 ft | 10:02 AM | 7:45 PM | 91% |
| Thu Oct 29 | 2:34 AM-1.3 ft | 11:21 AM3.9 ft | 3:06 PM3.8 ft | 7:33 PM3.9 ft | 10:04 AM | 7:43 PM | 84% |
| Fri Oct 30 | 3:32 AM-1.4 ft | 12:00 PM4.0 ft | 4:22 PM3.6 ft | 8:45 PM3.9 ft | 10:06 AM | 7:41 PM | 76% |
| Sat Oct 31 | 4:29 AM-1.3 ft | 12:38 PM4.1 ft | 5:24 PM3.2 ft | 10:01 PM3.8 ft | 10:08 AM | 7:39 PM | 66% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 4:23 AM-1.1 ft | 12:15 PM4.1 ft | 5:23 PM2.7 ft | 10:18 PM3.5 ft | 9:10 AM | 6:37 PM | 55% |
| Mon Nov 2 | 5:14 AM-0.7 ft | 12:52 PM4.0 ft | 6:23 PM2.1 ft | 11:36 PM3.2 ft | 9:12 AM | 6:35 PM | 45% |
| Tue Nov 3 | 6:03 AM-0.1 ft | 1:26 PM4.0 ft | 7:23 PM1.5 ft | 9:14 AM | 6:34 PM | 34% | |
| Wed Nov 4 | 1:03 AM3.0 ft | 6:51 AM0.6 ft | 1:57 PM3.9 ft | 8:19 PM0.9 ft | 9:16 AM | 6:32 PM | 25% |
| Thu Nov 5 | 2:32 AM2.8 ft | 7:38 AM1.3 ft | 2:23 PM3.8 ft | 9:10 PM0.4 ft | 9:17 AM | 6:30 PM | 16% |
| Fri Nov 6 | 4:04 AM2.8 ft | 8:24 AM2.1 ft | 2:45 PM3.6 ft | 9:59 PM0.0 ft | 9:19 AM | 6:28 PM | 9% |
| Sat Nov 7 | 5:51 AM3.0 ft | 9:14 AM2.8 ft | 2:58 PM3.5 ft | 10:46 PM-0.2 ft | 9:21 AM | 6:26 PM | 4% |
| Sun Nov 8 | 7:33 AM3.3 ft | 10:27 AM3.4 ft | 3:01 PM3.5 ft | 11:29 PM-0.3 ft | 9:23 AM | 6:25 PM | 1% |
| Mon Nov 9 | 8:57 AM3.7 ft | 9:25 AM | 6:23 PM | 0% | |||
| Tue Nov 10 | 12:11 AM-0.3 ft | 9:53 AM4.0 ft | 9:27 AM | 6:21 PM | 1% | ||
| Wed Nov 11 | 12:53 AM-0.2 ft | 10:32 AM4.2 ft | 9:29 AM | 6:19 PM | 5% | ||
| Thu Nov 12 | 1:36 AM-0.1 ft | 11:04 AM4.3 ft | 9:31 AM | 6:18 PM | 11% | ||
| Fri Nov 13 | 2:21 AM0.0 ft | 11:32 AM4.3 ft | 9:33 AM | 6:16 PM | 18% | ||
| Sat Nov 14 | 3:05 AM0.1 ft | 11:58 AM4.2 ft | 9:34 AM | 6:15 PM | 27% | ||
| Sun Nov 15 | 3:46 AM0.2 ft | 12:22 PM4.1 ft | 9:36 AM | 6:13 PM | 37% | ||
| Mon Nov 16 | 4:22 AM0.4 ft | 12:44 PM3.9 ft | 6:59 PM2.9 ft | 9:27 PM2.7 ft | 9:38 AM | 6:12 PM | 47% |
| Tue Nov 17 | 4:55 AM0.6 ft | 1:00 PM3.8 ft | 7:10 PM2.4 ft | 10:48 PM2.5 ft | 9:40 AM | 6:10 PM | 58% |
| Wed Nov 18 | 5:23 AM1.0 ft | 1:09 PM3.6 ft | 7:27 PM1.9 ft | 9:42 AM | 6:09 PM | 68% | |
| Thu Nov 19 | 12:16 AM2.3 ft | 5:47 AM1.4 ft | 1:09 PM3.6 ft | 7:50 PM1.3 ft | 9:44 AM | 6:08 PM | 77% |
| Fri Nov 20 | 1:58 AM2.3 ft | 6:06 AM2.0 ft | 1:10 PM3.7 ft | 8:19 PM0.7 ft | 9:45 AM | 6:06 PM | 86% |
| Sat Nov 21 | 3:33 AM2.5 ft | 6:17 AM2.5 ft | 1:19 PM3.9 ft | 8:55 PM0.1 ft | 9:47 AM | 6:05 PM | 92% |
| Sun Nov 22 | 5:28 AM2.8 ft | 6:23 AM3.0 ft | 1:39 PM4.1 ft | 9:37 PM-0.5 ft | 9:49 AM | 6:04 PM | 97% |
| Mon Nov 23 | 2:10 PM4.4 ft | 10:26 PM-1.0 ft | 9:50 AM | 6:03 PM | 100% | ||
| Tue Nov 24 | 2:52 PM4.6 ft | 11:19 PM-1.3 ft | 9:52 AM | 6:02 PM | 100% | ||
| Wed Nov 25 | 9:06 AM3.9 ft | 9:32 AM4.2 ft | 3:47 PM4.6 ft | 9:54 AM | 6:01 PM | 98% | |
| Thu Nov 26 | 12:15 AM-1.4 ft | 9:21 AM4.1 ft | 12:00 PM4.3 ft | 4:59 PM4.6 ft | 9:56 AM | 6:00 PM | 94% |
| Fri Nov 27 | 1:11 AM-1.4 ft | 9:52 AM4.3 ft | 1:37 PM4.1 ft | 6:16 PM4.4 ft | 9:57 AM | 5:59 PM | 88% |
| Sat Nov 28 | 2:08 AM-1.3 ft | 10:25 AM4.4 ft | 3:08 PM3.6 ft | 7:34 PM4.1 ft | 9:59 AM | 5:58 PM | 80% |
| Sun Nov 29 | 3:03 AM-0.9 ft | 11:00 AM4.5 ft | 4:20 PM3.0 ft | 8:58 PM3.7 ft | 10:00 AM | 5:57 PM | 71% |
| Mon Nov 30 | 3:55 AM-0.4 ft | 11:35 AM4.5 ft | 5:25 PM2.3 ft | 10:28 PM3.3 ft | 10:02 AM | 5:56 PM | 61% |
How these predictions are made
Chernofski Harbor is a subordinate station: NOAA derives its tides from the reference station Unalaska by applying fixed offsets.
High tide time
-0h 10m
relative to Unalaska
Low tide time
-0h 29m
relative to reference
High tide height
x1.02
ratio
Low tide height
x1.10
ratio
Nearby tide stations
- Otter Point13 mi · next high 2:17 PM
- Kuliliak Bay22 mi · next high 11:34 AM
- Skan Bay25 mi · next high 2:37 PM
- Raven Bay28 mi · next high 11:28 AM
- Usof Bay32 mi · next high 11:14 AM
- Inanudak Bay34 mi · next high 2:38 PM
Questions
What time is high tide at Chernofski Harbor today?
High tide at Chernofski Harbor, Alaska on Sunday, October 18, 2026 is at 2:34 PM (3.6 ft above MLLW) and 11:18 PM (2.9 ft above MLLW), NOAA prediction, local time.
What time is low tide at Chernofski Harbor today?
Low tide at Chernofski Harbor on Sunday, October 18, 2026 is at 6:14 AM (0.0 ft) and 7:52 PM (2.9 ft).
What is the water temperature at Chernofski Harbor?
The nearest NOAA water-temperature reading to Chernofski Harbor is 45.0 F at Unalaska (53 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 9462501.