KNRB TAF

Terminal aerodrome forecast for Mayport Ns (Adm David L McDonald Field) (NRB · KNRB), Mayport, FL. Issued 5 Nov 2026 0700Z, valid 0700Z to 0700Z, decoded period by period below. · Open on the map

All of Mayport Ns (Adm David L McDonald Field) — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 0700Z

valid 0700Z to 0700Z

AUTOMATED SENSOR METWATCH 0507 TIL 0511 No weather observer on duty from 0700Z to 1100Z on the 5th; a Navy forecast center keeps the TAF

TAF KNRB 050700Z 0507/0607 VRB05KT 9999 BKN025 BKN250 QNH2990INS FM052100 12007KT 9999 SCT040 BKN250 QNH2988INS AUTOMATED SENSOR METWATCH 0507 TIL 0511 TX26/0518Z TN23/0510Z FN00298

Times are UTC (Zulu), as they appear in the bulletin.

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0700Z to 2100Z	Initial	Variable at 5 kt	6+ SM	2,500 ft BKN	Broken at 2,500 ft AGL, Broken at 25,000 ft AGL	MVFR
`QNH2990INS` Lowest altimeter setting 29.90 inHg
2100Z to 0700Z	FM	120° at 7 kt	6+ SM	25,000 ft BKN	Scattered at 4,000 ft AGL, Broken at 25,000 ft AGL	VFR
`QNH2988INS` Lowest altimeter setting 29.88 inHg

Forecast notes

TX26/0518Z Maximum temperature 26°C at 1800Z on the 5th
TN23/0510Z Minimum temperature 23°C at 1000Z on the 5th
FN00298 Not decoded

What the change groups mean

FM: From — a rapid, permanent change to the conditions that follow.

What the categories mean

MVFR: Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

Frequently asked

What is the current TAF for KNRB?

The forecast issued 5 Nov 2026 0700Z for Mayport Ns (Adm David L McDonald Field) reads: TAF KNRB 050700Z 0507/0607 VRB05KT 9999 BKN025 BKN250 QNH2990INS FM052100 12007KT 9999 SCT040 BKN250 QNH2988INS AUTOMATED SENSOR METWATCH 0507 TIL 0511 TX26/0518Z TN23/0510Z FN00298

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 KNRB

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.

Something here wrong or out of date? Report a data problem.