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In December 2026, the highest tide in Unalaska is on December 22 at 1:50 PM (4.8 ft) and the lowest on December 23 at 11:27 PM (−1.8 ft). The biggest range of the month, 6.6 ft, is on December 23; the smallest, 0.0 ft, on December 8.
Which days in December have the biggest tides in Unalaska?
Range of each day, coloured by spring and neap tides
Calendar
High and low tides in Unalaska, December 2026
🖨 Print or PDF| Day | High ▲ and low ▼ tide | Range | Moon | Sun |
|---|---|---|---|---|
| ▼5:12 AM 0.0 ft▲12:21 PM 4.0 ft▼6:54 PM 1.1 ft | 4.0 | 10:02 AM · 5:50 PM | ||
| ▲12:14 AM 2.5 ft▼6:01 AM 0.7 ft▲12:50 PM 3.9 ft▼7:44 PM 0.5 ft | 3.4 | 10:04 AM · 5:49 PM | ||
| ▲1:54 AM 2.5 ft▼6:48 AM 1.5 ft▲1:15 PM 3.8 ft▼8:32 PM 0.0 ft | 3.8 | 10:05 AM · 5:49 PM | ||
| ▲3:33 AM 2.7 ft▼7:32 AM 2.2 ft▲1:35 PM 3.8 ft▼9:18 PM −0.3 ft | 4.1 | 10:07 AM · 5:48 PM | ||
| ▲5:17 AM 3.0 ft▼8:13 AM 2.8 ft▲1:50 PM 3.8 ft▼10:03 PM −0.6 ft | 4.4 | 10:08 AM · 5:48 PM | ||
| ▲7:05 AM 3.3 ft▼8:54 AM 3.3 ft▲1:58 PM 3.8 ft▼10:46 PM −0.7 ft | 4.6 | 10:09 AM · 5:47 PM | ||
| ▲8:44 AM 3.7 ft▼9:42 AM 3.7 ft▲1:52 PM 3.8 ft▼11:28 PM −0.8 ft | 4.6 | 10:11 AM · 5:47 PM | ||
| ▲9:47 AM 3.9 ft | 0.0 | 10:12 AM · 5:46 PM | ||
| ▼12:07 AM −0.8 ft▲10:24 AM 4.1 ft | 4.9 | 10:13 AM · 5:46 PM | ||
| ▼12:45 AM −0.7 ft▲10:55 AM 4.1 ft | 4.8 | 10:14 AM · 5:46 PM | ||
| ▼1:22 AM −0.6 ft▲11:21 AM 4.1 ft | 4.7 | 10:15 AM · 5:45 PM | ||
| ▼1:58 AM −0.4 ft▲11:39 AM 4.0 ft | 4.4 | 10:16 AM · 5:45 PM | ||
| ▼2:35 AM −0.3 ft▲11:50 AM 3.9 ft | 4.1 | 10:17 AM · 5:45 PM | ||
| ▼3:12 AM 0.0 ft▲11:57 AM 3.7 ft | 3.7 | 10:18 AM · 5:45 PM | ||
| ▼3:49 AM 0.3 ft▲12:03 PM 3.6 ft▼7:20 PM 2.1 ft▲9:04 PM 2.1 ft | 3.2 | 10:19 AM · 5:45 PM | ||
| ▼4:25 AM 0.7 ft▲12:06 PM 3.5 ft▼7:07 PM 1.6 ft▲11:12 PM 1.9 ft | 2.8 | 10:20 AM · 5:45 PM | ||
| ▼4:55 AM 1.2 ft▲12:03 PM 3.5 ft▼7:25 PM 1.0 ft | 2.5 | 10:21 AM · 5:46 PM | ||
| ▲1:26 AM 2.0 ft▼5:14 AM 1.7 ft▲12:04 PM 3.6 ft▼7:54 PM 0.4 ft | 3.2 | 10:22 AM · 5:46 PM | ||
| ▲3:38 AM 2.2 ft▼5:01 AM 2.1 ft▲12:15 PM 3.9 ft▼8:28 PM −0.2 ft | 4.1 | 10:22 AM · 5:46 PM | ||
| ▲12:36 PM 4.2 ft▼9:07 PM −0.7 ft | 5.0 | 10:23 AM · 5:46 PM | ||
| ▲1:08 PM 4.6 ft▼9:50 PM −1.2 ft | 5.8 | 10:23 AM · 5:47 PM | ||
| ▲1:50 PM 4.8 ft▼10:37 PM −1.6 ft | 6.4 | 10:24 AM · 5:47 PM | ||
| ▲2:41 PM 4.8 ft▼11:27 PM −1.8 ft | 6.6 | 10:24 AM · 5:48 PM | ||
| ▲9:00 AM 3.7 ft▼9:52 AM 3.7 ft▲3:40 PM 4.6 ft | 1.0 | 10:25 AM · 5:49 PM | ||
| ▼12:19 AM −1.8 ft▲8:54 AM 3.8 ft▼12:15 PM 3.5 ft▲4:49 PM 4.2 ft | 6.0 | 10:25 AM · 5:49 PM | ||
| ▼1:13 AM −1.6 ft▲9:21 AM 3.9 ft▼1:56 PM 3.1 ft▲6:08 PM 3.7 ft | 5.4 | 10:25 AM · 5:50 PM | ||
| ▼2:07 AM −1.2 ft▲9:54 AM 3.9 ft▼3:23 PM 2.4 ft▲7:37 PM 3.2 ft | 5.1 | 10:25 AM · 5:51 PM | ||
| ▼3:02 AM −0.6 ft▲10:29 AM 4.0 ft▼4:37 PM 1.8 ft▲9:16 PM 2.8 ft | 4.6 | 10:25 AM · 5:52 PM | ||
| ▼3:56 AM 0.0 ft▲11:04 AM 4.0 ft▼5:40 PM 1.1 ft▲11:03 PM 2.5 ft | 3.9 | 10:25 AM · 5:53 PM | ||
| ▼4:48 AM 0.8 ft▲11:37 AM 4.0 ft▼6:37 PM 0.4 ft | 3.5 | 10:25 AM · 5:53 PM | ||
| ▲12:49 AM 2.5 ft▼5:38 AM 1.5 ft▲12:06 PM 4.0 ft▼7:28 PM 0.0 ft | 4.0 | 10:25 AM · 5:55 PM |
Frequently asked questions
When is the highest tide in Unalaska in December 2026?
On December 22 at 1:50 PM, 4.8 ft above mean lower low water (MLLW).
When is the lowest tide in Unalaska in December 2026?
On December 23 at 11:27 PM, −1.8 ft.
Which days in December 2026 have spring tides in Unalaska?
December 6–7, December 9–11, December 20–23 and December 25–28.
Where does this data come from?
These tides are an astronomical prediction computed by the Tides Pro engine with tide models and harmonic constants, checked against the official predictions of NOAA. How we validate them is in our methodology. Heights are above mean lower low water (MLLW). They do not include wind or air pressure: for navigation, use official publications.
And right now?
See today’s tide in Unalaska or carry it on your iPhone.