Koyuk, Koyuk Inlet tide chart
Alaska · NOAA station 9469031 · times in local time (AKDT)
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Tides today, Sunday, October 11
- High 4:20 AM 2.5 ft
- Low 11:06 AM 0.4 ft
- High 4:52 PM 1.6 ft
- Low 10:09 PM 0.8 ft
Were today's predicted times right where you were?
Sunrise 9:26 AM · Sunset 7:38 PM · New moon (0%)
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Weather and conditions at Koyuk, Koyuk Inlet
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Marine forecast: Cape Stephens to Moses Point out to 15 NM
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Marine radio: weather channels and VHF
To get alerts on a weather alert radio, program county code 002180 (Nome).
VHF marine channels
- Ch 16 Distress, safety and calling
- Ch 9 Boater-to-boater calling
- Ch 22A Coast Guard safety broadcasts
- Ch 13 Bridge-to-bridge (big ships, drawbridges)
- Ch 68, 69, 71, 72, 78A Recreational chat
Weather radio broadcasts are continuous; VHF channels are the US standard. Local harbors and bridges may use others, so check your chart.
Live readings from NOAA and the National Weather Service, loaded when you open this page.
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Tide times this week
| Day | High and low tides | Sunrise / sunset | Moon |
|---|---|---|---|
| Sun Oct 11 | H 4:20 AM 2.5 ftL 11:06 AM 0.4 ftH 4:52 PM 1.6 ftL 10:09 PM 0.8 ft | 9:26 AM / 7:38 PM | New moon (0%) |
| Mon Oct 12 | H 4:35 AM 2.9 ftL 12:03 PM -0.2 ftH 6:38 PM 1.5 ftL 10:27 PM 1.1 ft | 9:29 AM / 7:34 PM | New moon (2%) |
| Tue Oct 13 | H 4:55 AM 3.2 ftL 12:50 PM -0.6 ftH 8:11 PM 1.4 ftL 10:15 PM 1.4 ft | 9:32 AM / 7:31 PM | Waxing crescent (7%) |
| Wed Oct 14 | H 5:18 AM 3.5 ftL 1:32 PM -0.9 ft | 9:35 AM / 7:27 PM | Waxing crescent (13%) |
| Thu Oct 15 | H 5:42 AM 3.7 ftL 2:10 PM -1.1 ft | 9:38 AM / 7:24 PM | Waxing crescent (21%) |
| Fri Oct 16 | H 6:07 AM 3.8 ftL 2:48 PM -1.1 ft | 9:41 AM / 7:20 PM | Waxing crescent (30%) |
| Sat Oct 17 | H 6:33 AM 3.8 ftL 3:28 PM -1.0 ft | 9:44 AM / 7:16 PM | First quarter (40%) |
Best fishing times at Koyuk, Koyuk Inlet
Solunar periods for this spot: major periods (about two hours) are centred on the moon passing overhead or underfoot, and minor periods (about an hour) on moonrise and moonset. Days near the new and full moon rate higher, and so does a period that lines up with sunrise, sunset or a turn of the tide.
| Day | Rating | Major periods | Minor periods |
|---|---|---|---|
| Sun Oct 11 | Very good | 2:07 AM–4:07 AM, 2:30 PM–4:30 PM | 11:38 AM–12:38 PM, 6:05 PM–7:05 PM |
| Mon Oct 12 | Excellent | 2:53 AM–4:53 AM, 3:17 PM–5:17 PM | 1:38 PM–2:38 PM, 5:42 PM–6:42 PM |
| Tue Oct 13 | Very good | 3:41 AM–5:41 AM, 4:05 PM–6:05 PM | — |
| Wed Oct 14 | Very good | 4:30 AM–6:30 AM, 4:56 PM–6:56 PM | — |
| Thu Oct 15 | Very good | 5:21 AM–7:21 AM, 5:46 PM–7:46 PM | — |
| Fri Oct 16 | Fair | 6:12 AM–8:12 AM, 6:37 PM–8:37 PM | — |
| Sat Oct 17 | Fair | 7:02 AM–9:02 AM, 7:26 PM–9:26 PM | 7:54 PM–8:54 PM, 8:08 PM–9:08 PM |
Solunar times are a rule of thumb many anglers use, not a guarantee. Moving water around a tide change usually matters as much.
Best daylight low tides in the next two weeks
The lowest water that falls between sunrise and sunset, for tide pooling and beachcombing.
- -1.1 ft at 2:48 PM on Friday, October 16
- -1.1 ft at 2:10 PM on Thursday, October 15
- -1.0 ft at 3:28 PM on Saturday, October 17
- -0.9 ft at 1:32 PM on Wednesday, October 14
- -0.9 ft at 4:10 PM on Sunday, October 18
- -0.7 ft at 4:54 PM on Monday, October 19
Tide table: October 11 to November 10, 2026
Full 2026 tide table Full 2027 tide table
| Day | High and low tides | Sunrise / sunset |
|---|---|---|
| Sun Oct 11 | H 4:20 AM 2.5 ftL 11:06 AM 0.4 ftH 4:52 PM 1.6 ftL 10:09 PM 0.8 ft | 9:26 AM / 7:38 PM |
| Mon Oct 12 | H 4:35 AM 2.9 ftL 12:03 PM -0.2 ftH 6:38 PM 1.5 ftL 10:27 PM 1.1 ft | 9:29 AM / 7:34 PM |
| Tue Oct 13 | H 4:55 AM 3.2 ftL 12:50 PM -0.6 ftH 8:11 PM 1.4 ftL 10:15 PM 1.4 ft | 9:32 AM / 7:31 PM |
| Wed Oct 14 | H 5:18 AM 3.5 ftL 1:32 PM -0.9 ft | 9:35 AM / 7:27 PM |
| Thu Oct 15 | H 5:42 AM 3.7 ftL 2:10 PM -1.1 ft | 9:38 AM / 7:24 PM |
| Fri Oct 16 | H 6:07 AM 3.8 ftL 2:48 PM -1.1 ft | 9:41 AM / 7:20 PM |
| Sat Oct 17 | H 6:33 AM 3.8 ftL 3:28 PM -1.0 ft | 9:44 AM / 7:16 PM |
| Sun Oct 18 | H 6:59 AM 3.8 ftL 4:10 PM -0.9 ft | 9:48 AM / 7:13 PM |
| Mon Oct 19 | H 7:24 AM 3.7 ftL 4:54 PM -0.7 ft | 9:51 AM / 7:09 PM |
| Tue Oct 20 | H 7:50 AM 3.5 ftL 5:39 PM -0.5 ft | 9:54 AM / 7:06 PM |
| Wed Oct 21 | H 8:14 AM 3.2 ftL 6:23 PM -0.2 ft | 9:57 AM / 7:02 PM |
| Thu Oct 22 | H 8:38 AM 2.8 ftL 7:03 PM 0.0 ft | 10:00 AM / 6:59 PM |
| Fri Oct 23 | H 8:50 AM 2.3 ftL 7:31 PM 0.3 ft | 10:04 AM / 6:55 PM |
| Sat Oct 24 | H 6:28 AM 1.9 ftL 7:30 PM 0.6 ft | 10:07 AM / 6:52 PM |
| Sun Oct 25 | H 2:53 AM 2.0 ftL 10:33 AM 1.1 ftH 1:36 PM 1.2 ftL 6:32 PM 0.8 ft | 10:10 AM / 6:48 PM |
| Mon Oct 26 | H 2:50 AM 2.5 ftL 11:01 AM 0.3 ft | 10:14 AM / 6:45 PM |
| Tue Oct 27 | H 3:11 AM 3.1 ftL 11:37 AM -0.4 ft | 10:17 AM / 6:41 PM |
| Wed Oct 28 | H 3:41 AM 3.7 ftL 12:16 PM -1.1 ft | 10:20 AM / 6:38 PM |
| Thu Oct 29 | H 4:16 AM 4.3 ftL 12:58 PM -1.6 ft | 10:24 AM / 6:34 PM |
| Fri Oct 30 | H 4:57 AM 4.7 ftL 1:41 PM -1.9 ft | 10:27 AM / 6:31 PM |
| Sat Oct 31 | H 5:40 AM 4.9 ftL 2:26 PM -2.0 ft | 10:30 AM / 6:27 PM |
| Sun Nov 1 | H 5:26 AM 4.9 ftL 2:14 PM -2.0 ft | 9:34 AM / 5:24 PM |
| Mon Nov 2 | H 6:12 AM 4.7 ftL 3:02 PM -1.8 ft | 9:37 AM / 5:21 PM |
| Tue Nov 3 | H 6:58 AM 4.2 ftL 3:50 PM -1.4 ft | 9:40 AM / 5:17 PM |
| Wed Nov 4 | H 7:47 AM 3.5 ftL 4:35 PM -0.9 ft | 9:44 AM / 5:14 PM |
| Thu Nov 5 | H 8:47 AM 2.6 ftL 5:16 PM -0.5 ft | 9:47 AM / 5:10 PM |
| Fri Nov 6 | H 1:23 AM 2.1 ftL 6:53 AM 1.6 ftH 10:13 AM 1.8 ftL 5:53 PM 0.1 ft | 9:51 AM / 5:07 PM |
| Sat Nov 7 | H 1:26 AM 2.5 ftL 8:49 AM 0.8 ftH 12:19 PM 1.0 ftL 6:22 PM 0.5 ft | 9:54 AM / 5:04 PM |
| Sun Nov 8 | H 1:44 AM 3.0 ftL 9:46 AM 0.0 ft | 9:58 AM / 5:01 PM |
| Mon Nov 9 | H 2:06 AM 3.3 ftL 10:31 AM -0.7 ft | 10:01 AM / 4:57 PM |
| Tue Nov 10 | H 2:30 AM 3.6 ftL 11:12 AM -1.1 ft | 10:04 AM / 4:54 PM |
Heights are in feet above mean lower low water (MLLW), the zero line on most US nautical charts. A minus height means the water drops below that line.
About the tides at Koyuk, Koyuk Inlet
Koyuk, Koyuk Inlet gets usually just one high tide and one low tide a day. Over the next month the water typically rises or falls about 3.4 ft between a high and the next low.
The biggest swings in this window come around Saturday, October 31, when the day's range reaches 7.0 ft, and again around Friday, October 16 (4.9 ft). Here the biggest ranges depend on the moon's phase and on how far north or south of the equator it is, so they don't always line up with the new and full moon. The calmest day is Sunday, October 25, with only 1.3 ft between the day's highest and lowest water.
The lowest tide of the month is -2.0 ft at 2:26 PM on Saturday, October 31. There are 23 minus tides (lows below the chart's zero line) in this window: the best times for tide pools, clamming and walking the flats.
The highest predicted tide is 4.9 ft at 5:26 AM on Sunday, November 1. Onshore wind or a storm can push the real water level above that.
This is a reference (harmonic) station: NOAA predicts its tides directly from years of measured water levels here, which makes it among the most reliable predictions on the coast.
Station details
- NOAA station ID: 9469031
- Type: reference (harmonic)
- Location: 64.9312, -161.1508
Nearby tide stations
- Shaktoolik 38 mi