CYM Weather Chatham Seaplane Base
Extended forecast and pilot notes
No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 320° at 7 kt, visibility 9 SM, temperature 8.3C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon partly sunny, high near 43F, low near 36F, 21% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.
| Day | Conditions | Temp F | Wind | Gusts | Precip | Pilot note |
|---|---|---|---|---|---|---|
| This Afternoon | Partly Sunny | 43/36 | W 9 kt | – | 21% | |
| Monday | Chance Light Rain | 45/38 | NW 4 kt | – | 28% | |
| Tuesday | Sunny | 47/35 | NW 9 kt | – | 0% | |
| Wednesday | Sunny | 45/34 | N 4 kt | – | 0% | |
| Thursday | Sunny | 45/36 | 0 kt | – | 36% | |
| Friday | Rain And Snow Likely | 43/37 | SE 9 kt | – | 70% | |
| Saturday | Light Rain Likely | 44/38 | SE 4 kt | – | 70% |
Source: National Weather Service (office AJK). Forecast issued 0047Z.
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Visit David ClarkRunway detail & declared distances
Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.
Sun & logging windows
FAA definitions, shown in Zulu with airport-local time. Verify for your operation.
Facility & services
Chatham Seaplane Base is in Chatham, Alaska. Airport facts are drawn from OurAirports and the FAA NASR dataset.
Communications
Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.
Traffic patterns
Aircraft activity data is not available for this airport yet.