O12 TAF
Terminal aerodrome forecast for Grand Lake St Marys Seaplane Base (O12), St Marys, OH. This field does not issue a terminal forecast.
All of Grand Lake St Marys Seaplane Base — runways, frequencies, charts and live weatherNo O12 TAF
Only a minority of US airports issue a terminal aerodrome forecast, and Grand Lake St Marys Seaplane Base is not one of them. The nearest forecasting stations are:
| Station | Airport | Distance |
|---|---|---|
| KDAY TAF | James M. Cox Dayton International Airport | 40 NM on the 162° radial |
| KFWA TAF | Fort Wayne International Airport | 41 NM on the 310° radial |
| KFFO TAF | Wright-Patterson Air Force Base | 47 NM on the 155° radial |
A TAF from a field this far away describes its own airport, not O12. Read it as the regional trend and confirm with the nearest observation.
Frequently asked
What is the current TAF for O12?
Grand Lake St Marys Seaplane Base does not issue a terminal aerodrome forecast.
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about O12
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.