Alaska tide station
Zachary Bay, Unga Island tide times
Today, Sunday, October 18, 2026: high tide at 10:19 AM (5.1 ft) and 7:29 PM (5.9 ft); low tide at 2:35 AM (1.5 ft) and 1:30 PM (4.7 ft). Water temperature 47.3 F at Sand Point (4.4 mi away).
Low tide▼
2:35AM
1.5FT MLLW
low
High tide▲
10:19AM
5.1FT MLLW
high
Low tide▼
1:30PM
4.7FT MLLW
low
High tide▲
7:29PM
5.9FT MLLW
high
Water temp°F
47.3
8.5C
Sand Point, 4.4 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 1:20 AM the tide is falling toward low tide at 2:35 AM (1.5 ft).
First Quarter 52% litSunrise 9:20 AMSunset 7:36 PMDaylight 10h 15mAKDT
- High tide at Zachary Bay, Unga Island, Alaska on is at 10:19 AM (5.1 ft above MLLW) and 7:29 PM (5.9 ft above MLLW).
- Low tide at Zachary Bay, Unga Island on is at 2:35 AM (1.5 ft) and 1:30 PM (4.7 ft).
- Today's tidal range at Zachary Bay, Unga Island is 4.5 ft (highest high 5.9 ft, lowest low 1.5 ft).
- The nearest NOAA water temperature to Zachary Bay, Unga Island is 47.3 F at Sand Point (4.4 mi away), as of .
- Sunrise 9:20 AM, sunset 7:36 PM (AKDT); moon first quarter, 52% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 9459465 (harmonic reference station), heights above MLLW.
Next 7 days at Zachary Bay, Unga Island
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 2:35 AM1.5 ft | 10:19 AM5.1 ft | 1:30 PM4.7 ft | 7:29 PM5.9 ft | 9:20 AM | 7:36 PM | 52% |
| Mon Oct 19 | 3:53 AM1.6 ft | 11:20 AM5.4 ft | 4:27 PM4.5 ft | 9:22 PM5.7 ft | 9:22 AM | 7:33 PM | 63% |
| Tue Oct 20 | 4:57 AM1.6 ft | 11:59 AM5.9 ft | 5:39 PM3.8 ft | 11:03 PM5.8 ft | 9:24 AM | 7:31 PM | 73% |
| Wed Oct 21 | 5:47 AM1.5 ft | 12:29 PM6.4 ft | 6:27 PM2.9 ft | 9:26 AM | 7:28 PM | 82% | |
| Thu Oct 22 | 12:10 AM6.1 ft | 6:28 AM1.5 ft | 12:55 PM6.9 ft | 7:06 PM2.0 ft | 9:28 AM | 7:26 PM | 89% |
| Fri Oct 23 | 1:03 AM6.5 ft | 7:04 AM1.6 ft | 1:19 PM7.5 ft | 7:42 PM1.0 ft | 9:30 AM | 7:24 PM | 95% |
| Sat Oct 24 | 1:50 AM6.8 ft | 7:37 AM1.7 ft | 1:45 PM8.0 ft | 8:18 PM0.0 ft | 9:32 AM | 7:21 PM | 98% |
Water temperature near Zachary Bay, Unga Island
47.3 F (8.5 C)
NOAA CO-OPS station 9459450 (Sand Point sensor, 4.4 mi away), read 1:00 AM local, October 18, 2026
Over the past 30 days this sensor ranged from 46.8 to 51.4 F. Typical for October here is 48.0 F (5-year hourly mean; range 42.3 to 50.4), so today is 0.7 F below typical.
Water temperature is the nearest NOAA reading to Zachary Bay, Unga 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
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 8:46 AM | 8:18 PM | 71% | ||||
| Fri Oct 2 | 8:48 AM | 8:15 PM | 61% | ||||
| Sat Oct 3 | 8:50 AM | 8:13 PM | 50% | ||||
| Sun Oct 4 | 8:52 AM | 8:10 PM | 40% | ||||
| Mon Oct 5 | 8:54 AM | 8:08 PM | 29% | ||||
| Tue Oct 6 | 8:56 AM | 8:05 PM | 20% | ||||
| Wed Oct 7 | 8:58 AM | 8:03 PM | 12% | ||||
| Thu Oct 8 | 9:00 AM | 8:00 PM | 6% | ||||
| Fri Oct 9 | 9:02 AM | 7:58 PM | 2% | ||||
| Sat Oct 10 | 9:04 AM | 7:55 PM | 0% | ||||
| Sun Oct 11 | 9:06 AM | 7:53 PM | 0% | ||||
| Mon Oct 12 | 9:08 AM | 7:50 PM | 3% | ||||
| Tue Oct 13 | 9:10 AM | 7:48 PM | 8% | ||||
| Wed Oct 14 | 9:12 AM | 7:45 PM | 14% | ||||
| Thu Oct 15 | 9:14 AM | 7:43 PM | 22% | ||||
| Fri Oct 16 | 12:30 AM0.6 ft | 7:30 AM5.2 ft | 11:28 AM4.1 ft | 5:38 PM6.9 ft | 9:16 AM | 7:40 PM | 32% |
| Sat Oct 17 | 1:24 AM1.1 ft | 8:52 AM5.0 ft | 12:05 PM4.5 ft | 6:22 PM6.4 ft | 9:18 AM | 7:38 PM | 42% |
| Sun Oct 18today | 2:35 AM1.5 ft | 10:19 AM5.1 ft | 1:30 PM4.7 ft | 7:29 PM5.9 ft | 9:20 AM | 7:36 PM | 52% |
| Mon Oct 19 | 3:53 AM1.6 ft | 11:20 AM5.4 ft | 4:27 PM4.5 ft | 9:22 PM5.7 ft | 9:22 AM | 7:33 PM | 63% |
| Tue Oct 20 | 4:57 AM1.6 ft | 11:59 AM5.9 ft | 5:39 PM3.8 ft | 11:03 PM5.8 ft | 9:24 AM | 7:31 PM | 73% |
| Wed Oct 21 | 5:47 AM1.5 ft | 12:29 PM6.4 ft | 6:27 PM2.9 ft | 9:26 AM | 7:28 PM | 82% | |
| Thu Oct 22 | 12:10 AM6.1 ft | 6:28 AM1.5 ft | 12:55 PM6.9 ft | 7:06 PM2.0 ft | 9:28 AM | 7:26 PM | 89% |
| Fri Oct 23 | 1:03 AM6.5 ft | 7:04 AM1.6 ft | 1:19 PM7.5 ft | 7:42 PM1.0 ft | 9:30 AM | 7:24 PM | 95% |
| Sat Oct 24 | 1:50 AM6.8 ft | 7:37 AM1.7 ft | 1:45 PM8.0 ft | 8:18 PM0.0 ft | 9:32 AM | 7:21 PM | 98% |
| Sun Oct 25 | 2:36 AM7.1 ft | 8:10 AM2.0 ft | 2:12 PM8.5 ft | 8:56 PM-0.7 ft | 9:34 AM | 7:19 PM | 100% |
| Mon Oct 26 | 3:20 AM7.1 ft | 8:43 AM2.3 ft | 2:41 PM8.9 ft | 9:35 PM-1.3 ft | 9:36 AM | 7:17 PM | 99% |
| Tue Oct 27 | 4:06 AM7.1 ft | 9:17 AM2.7 ft | 3:15 PM9.1 ft | 10:18 PM-1.5 ft | 9:38 AM | 7:15 PM | 96% |
| Wed Oct 28 | 4:55 AM6.8 ft | 9:52 AM3.1 ft | 3:52 PM9.1 ft | 11:04 PM-1.4 ft | 9:40 AM | 7:12 PM | 91% |
| Thu Oct 29 | 5:48 AM6.4 ft | 10:31 AM3.5 ft | 4:33 PM8.9 ft | 11:55 PM-1.1 ft | 9:42 AM | 7:10 PM | 84% |
| Fri Oct 30 | 6:49 AM6.1 ft | 11:16 AM3.9 ft | 5:20 PM8.4 ft | 9:44 AM | 7:08 PM | 76% | |
| Sat Oct 31 | 12:54 AM-0.5 ft | 8:01 AM5.8 ft | 12:18 PM4.3 ft | 6:17 PM7.6 ft | 9:46 AM | 7:06 PM | 66% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 1:02 AM0.1 ft | 8:17 AM5.9 ft | 1:01 PM4.4 ft | 6:36 PM6.8 ft | 8:48 AM | 6:04 PM | 55% |
| Mon Nov 2 | 2:15 AM0.6 ft | 9:25 AM6.2 ft | 2:57 PM4.0 ft | 8:24 PM6.3 ft | 8:50 AM | 6:02 PM | 45% |
| Tue Nov 3 | 3:25 AM1.0 ft | 10:18 AM6.7 ft | 4:21 PM3.1 ft | 10:02 PM6.2 ft | 8:52 AM | 6:00 PM | 34% |
| Wed Nov 4 | 4:25 AM1.4 ft | 11:02 AM7.3 ft | 5:22 PM2.0 ft | 11:16 PM6.3 ft | 8:54 AM | 5:58 PM | 25% |
| Thu Nov 5 | 5:16 AM1.7 ft | 11:39 AM7.8 ft | 6:10 PM1.1 ft | 8:57 AM | 5:56 PM | 16% | |
| Fri Nov 6 | 12:16 AM6.5 ft | 5:59 AM2.0 ft | 12:13 PM8.1 ft | 6:52 PM0.3 ft | 8:59 AM | 5:54 PM | 9% |
| Sat Nov 7 | 1:07 AM6.6 ft | 6:38 AM2.4 ft | 12:44 PM8.4 ft | 7:30 PM-0.3 ft | 9:01 AM | 5:52 PM | 4% |
| Sun Nov 8 | 1:53 AM6.7 ft | 7:14 AM2.7 ft | 1:13 PM8.5 ft | 8:06 PM-0.6 ft | 9:03 AM | 5:50 PM | 1% |
| Mon Nov 9 | 2:35 AM6.7 ft | 7:46 AM3.1 ft | 1:41 PM8.5 ft | 8:40 PM-0.7 ft | 9:05 AM | 5:48 PM | 0% |
| Tue Nov 10 | 3:15 AM6.6 ft | 8:17 AM3.4 ft | 2:08 PM8.4 ft | 9:15 PM-0.6 ft | 9:07 AM | 5:46 PM | 1% |
| Wed Nov 11 | 3:55 AM6.4 ft | 8:45 AM3.7 ft | 2:35 PM8.2 ft | 9:49 PM-0.4 ft | 9:09 AM | 5:44 PM | 5% |
| Thu Nov 12 | 4:36 AM6.2 ft | 9:12 AM3.9 ft | 3:04 PM7.9 ft | 10:26 PM-0.0 ft | 9:11 AM | 5:42 PM | 11% |
| Fri Nov 13 | 5:21 AM5.9 ft | 9:41 AM4.2 ft | 3:35 PM7.6 ft | 11:05 PM0.4 ft | 9:13 AM | 5:41 PM | 18% |
| Sat Nov 14 | 6:13 AM5.7 ft | 10:17 AM4.4 ft | 4:11 PM7.1 ft | 11:49 PM0.8 ft | 9:15 AM | 5:39 PM | 27% |
| Sun Nov 15 | 7:12 AM5.6 ft | 11:09 AM4.6 ft | 4:55 PM6.6 ft | 9:17 AM | 5:37 PM | 37% | |
| Mon Nov 16 | 12:38 AM1.2 ft | 8:12 AM5.7 ft | 12:40 PM4.7 ft | 5:53 PM6.1 ft | 9:19 AM | 5:36 PM | 47% |
| Tue Nov 17 | 1:34 AM1.6 ft | 9:04 AM6.0 ft | 2:38 PM4.3 ft | 7:20 PM5.6 ft | 9:21 AM | 5:34 PM | 58% |
| Wed Nov 18 | 2:32 AM1.9 ft | 9:44 AM6.4 ft | 3:55 PM3.6 ft | 9:10 PM5.4 ft | 9:23 AM | 5:33 PM | 68% |
| Thu Nov 19 | 3:28 AM2.2 ft | 10:18 AM6.9 ft | 4:49 PM2.6 ft | 10:36 PM5.6 ft | 9:25 AM | 5:31 PM | 77% |
| Fri Nov 20 | 4:18 AM2.5 ft | 10:49 AM7.4 ft | 5:33 PM1.5 ft | 11:41 PM5.9 ft | 9:27 AM | 5:30 PM | 86% |
| Sat Nov 21 | 5:04 AM2.7 ft | 11:20 AM8.0 ft | 6:15 PM0.4 ft | 9:29 AM | 5:28 PM | 92% | |
| Sun Nov 22 | 12:37 AM6.3 ft | 5:47 AM2.9 ft | 11:54 AM8.6 ft | 6:56 PM-0.6 ft | 9:30 AM | 5:27 PM | 97% |
| Mon Nov 23 | 1:28 AM6.7 ft | 6:29 AM3.1 ft | 12:31 PM9.1 ft | 7:39 PM-1.4 ft | 9:32 AM | 5:26 PM | 100% |
| Tue Nov 24 | 2:17 AM6.8 ft | 7:11 AM3.3 ft | 1:10 PM9.5 ft | 8:23 PM-1.8 ft | 9:34 AM | 5:24 PM | 100% |
| Wed Nov 25 | 3:05 AM6.9 ft | 7:54 AM3.5 ft | 1:52 PM9.6 ft | 9:09 PM-2.0 ft | 9:36 AM | 5:23 PM | 98% |
| Thu Nov 26 | 3:55 AM6.8 ft | 8:39 AM3.6 ft | 2:37 PM9.5 ft | 9:57 PM-1.8 ft | 9:38 AM | 5:22 PM | 94% |
| Fri Nov 27 | 4:47 AM6.7 ft | 9:28 AM3.8 ft | 3:25 PM9.1 ft | 10:48 PM-1.3 ft | 9:39 AM | 5:21 PM | 88% |
| Sat Nov 28 | 5:42 AM6.6 ft | 10:27 AM4.0 ft | 4:17 PM8.4 ft | 11:40 PM-0.7 ft | 9:41 AM | 5:20 PM | 80% |
| Sun Nov 29 | 6:39 AM6.6 ft | 11:40 AM4.0 ft | 5:18 PM7.6 ft | 9:43 AM | 5:19 PM | 71% | |
| Mon Nov 30 | 12:36 AM0.1 ft | 7:38 AM6.8 ft | 1:10 PM3.8 ft | 6:35 PM6.6 ft | 9:45 AM | 5:18 PM | 61% |
Tidal datums at Zachary Bay, Unga Island
Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9459465, in feet above MLLW:
MHHW
38.03 ft
Mean higher high water
MHW
37.31 ft
Mean high water
MSL
34.57 ft
Mean sea level
MLW
31.93 ft
Mean low water
MN
5.37 ft
Mean range
GT
7.43 ft
Diurnal range
Nearby tide stations
- Sand Point, Popof Island4.4 mi · next high 10:26 AM
- Pirate Cove, Popof Island10 mi · next high 10:34 AM
- Beaver Bay13 mi · next high 9:00 AM
- Albatross Anchorage, Balboa Bay18 mi · next high 10:24 AM
- Sanborn Harbor, Nagai Island27 mi · next high 10:29 AM
- Seal Cape, Coal Bay28 mi · next high 10:26 AM
Questions
What time is high tide at Zachary Bay, Unga Island today?
High tide at Zachary Bay, Unga Island, Alaska on Sunday, October 18, 2026 is at 10:19 AM (5.1 ft above MLLW) and 7:29 PM (5.9 ft above MLLW), NOAA prediction, local time.
What time is low tide at Zachary Bay, Unga Island today?
Low tide at Zachary Bay, Unga Island on Sunday, October 18, 2026 is at 2:35 AM (1.5 ft) and 1:30 PM (4.7 ft).
What is the water temperature at Zachary Bay, Unga Island?
The nearest NOAA water-temperature reading to Zachary Bay, Unga Island is 47.3 F at Sand Point (4.4 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 9459465.