77MD TAF
Terminal aerodrome forecast for National Harbor Heliport (77MD), Oxon Hill, MD. This field does not issue a terminal forecast.
All of National Harbor Heliport — runways, frequencies, charts and live weatherNo 77MD TAF
Only a minority of US airports issue a terminal aerodrome forecast, and National Harbor Heliport is not one of them. The nearest forecasting stations are:
| Station | Airport | Distance |
|---|---|---|
| KDCA TAF | Ronald Reagan Washington National Airport | 4 NM on the 341° radial |
| KADW TAF | Joint Base Andrews | 7 NM on the 081° radial |
| KDAA TAF | Davison Army Air Field | 9 NM on the 239° radial |
A TAF from a field this far away describes its own airport, not 77MD. Read it as the regional trend and confirm with the nearest observation.
Frequently asked
What is the current TAF for 77MD?
National Harbor Heliport 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 77MD
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.