– Lat/Long: 51.95° N 179.62° E
Semisopochnoi
Weather Forecast, United StatesIssued: 9 am Mon 20 May Local TimeUpdates in: hr min sUpdate imminent
SemisopochnoiWeather Forecast, United States
Issued: 9 am Mon 20 May Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 20 May Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of snow giving way to moderate rain (total 12mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Wed morning, min 0°C on Mon morning). Winds increasing (light winds from the WSW on Tue afternoon, severe gales from the WSW by Wed night). | Days 4–6 Weather SummarySome drizzle, heaviest during Sat night. Mild temperatures (max 9°C on Sat night, min 1°C on Thu morning). Winds decreasing (severe gales from the WSW on Thu morning, light winds from the SW by Fri night). | Days 7–9 Weather SummaryModerate rain (total 18mm), heaviest on Sun night. Mild temperatures (max 8°C on Sun morning, min 2°C on Tue night). Winds increasing (moderate winds from the W on Mon morning, severe gales from the WSW by Tue night). | Days 10–12 Weather SummaryLight rain (total 5mm), mostly falling on Fri night. Temperatures will be slightly above freezing (max 4°C on Fri night, min 1°C on Wed morning). Winds decreasing (strong winds from the W on Wed morning, calm by Thu afternoon). | |||||||||||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | |||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  |  |  | | | | | |  | | | | | |  | |  |  | | | | | |  | | | | | | | |
some clouds | some clouds | cloudy | some clouds | cloudy | light snow | heavy rain | light rain | light rain | cloudy | some clouds | cloudy | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | cloudy | some clouds | mod. rain | light rain | clear | rain shwrs | light rain | light rain | mod. rain | cloudy | cloudy | clear | some clouds | some clouds | light rain | cloudy | light rain | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
— | — | — | — | — | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 1.2 | 10 | 0.1 | 0.2 | — | — | — | — | — | — | — | — | 1.7 | — | — | 8 | 1.6 | — | 0.2 | 0.4 | 0.2 | 8 | — | — | — | — | — | 0.1 | — | 1.0 | 3 | |
max°C | 0 | 1 | 1 | 0 | 1 | 3 | 5 | 4 | 2 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 6 | 9 | 8 | 7 | 7 | 3 | 3 | 4 | 3 | 3 | 4 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 4 |
min°C | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 8 | 7 | 5 | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 2 |
-8 | -8 | -8 | -7 | -4 | -7 | -1 | -7 | -8 | -8 | -8 | -8 | -5 | -4 | -2 | 1 | 0 | 1 | 3 | 2 | 0 | -2 | -3 | -4 | -4 | -4 | -6 | -6 | -6 | -4 | -2 | 0 | 1 | -3 | -5 | -5 | |
550 | 500 | 650 | 500 | 600 | 1100 | 2700 | 2000 | 950 | 600 | 750 | 800 | 1000 | 1400 | 2750 | 3000 | 3250 | 2800 | 2950 | 3000 | 2850 | 2050 | 1500 | 1600 | 1600 | 1700 | 1350 | 700 | 600 | 600 | 950 | 1100 | 1350 | 1600 | 1150 | 1500 | |
Cloud base (m) | 600 | 50 | 150 | 250 | 250 | 1750 | 50 | 50 | 50 | 50 | 100 | 200 | 200 | 400 | 350 | 5900 | 600 | 350 | 200 | 300 | 300 | 150 | 200 | 2000 | 150 | 150 | 200 | 100 | 100 | 300 | 250 | 200 | 300 | 1700 | 2050 | 100 |
 | 7:58 | — | — | 7:58 | — | — | 12:00 | — | — | 7:54 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:50 | — | — | 7:48 | — | — | 7:48 | — | — | 7:47 | — | — |
 | — | — | 11:57 | — | — | 11:58 | 12:00 | — | — | 12:00 | — | — | 12:01 | — | — | 12:03 | — | — | 12:04 | — | — | 12:05 | — | — | 12:06 | — | — | 12:08 | — | — | 12:09 | — | — | 12:10 | — | — |
Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: A dusting of snow giving way to moderate rain (total 12mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Wed morning, min 0°C on Mon morning). Winds increasing (light winds from the WSW on Tue afternoon, severe gales from the WSW by Wed night).
Semisopochnoi Weather (Days 3-6):
Some drizzle, heaviest during Sat night. Mild temperatures (max 9°C on Sat night, min 1°C on Thu morning). Winds decreasing (severe gales from the WSW on Thu morning, light winds from the SW by Fri night).
Semisopochnoi Weather (Days 6-9):
Moderate rain (total 18mm), heaviest on Sun night. Mild temperatures (max 8°C on Sun morning, min 2°C on Tue night). Winds increasing (moderate winds from the W on Mon morning, severe gales from the WSW by Tue night).
This table gives the weather forecast for Semisopochnoi at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Semisopochnoi. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Alaska United States.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP871 | |||||
Eareckso / hemya Airport |  | ||||
Atka Airport | |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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