Naval Station Mayport / Admiral David L McDonald Field (KNRB) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Naval Station Mayport / Admiral David L McDonald Field in Jacksonville, FL, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Naval Station Mayport / Admiral David L McDonald Field (KNRB) is a regional airport serving Jacksonville, FL at 15 ft. KNRB reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (05, 23) — longest 8,001 ft — are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KNRB in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.
Wind from the southwest (230°) at 7 kt, visibility 10+ statute miles, a few clouds at 12,000 ft, scattered clouds at 25,000 ft, temperature 29°C (84°F), altimeter 29.81 inHg. Conditions are Visual Flight Rules (VFR).
METAR KNRB 290252Z 23007KT 10SM FEW120 SCT250 29/24 A2981 RMK AO2 SLP095 60047 T02890239 53000 $
What changed at KNRB?
Since the 0152Z (9:52 PM EDT) report — compared automatically against the latest METAR.
- The 25,000 ft ceiling dissipated — no ceiling now.
This is exactly what ATIS Alerts watches for you — get a Telegram message when KNRB's weather changes, free →
Current pilot readout for KNRB
KNRB is currently VFR with winds from 230° at 7 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 05, about 1 knots. Density altitude is approximately 1,800 ft (field elevation 15 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Stop refreshing aviation weather manually. Track KNRB in ATIS Alerts and get notified when a new METAR changes the picture — a category drop, or wind and ceiling moving toward your minimums.
Track KNRB free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KNRB. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 23FAV | 8,001 ft | ASP | 7 kt head | 1 kt right |
| 05 | 8,001 ft | ASP | 7 kt tail | 1 kt left |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 6→7 kt, ceiling 25,000 ft → unlimited.
KNRB weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Naval Station Mayport / Admiral David L McDonald Field in Jacksonville, FL: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KNRB is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KNRB
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
JAX UA /OV JAX/TM 0341/FL290/TP CRJ9/TB CONS LGT OCNL MOD
JAX UAHeader — reporting station and UA: a routine pilot report.OV JAXLocation — fix or navaid, optionally with a radial and distance in NM.TM 0341Reported at 03:41 UTC.FL290Altitude: 29,000 ft MSL.TP CRJ9Aircraft type reporting.TB CONS LGT OCNL MODTurbulence: continuous light occasional moderate.Show raw report
LCQ UA /OV LCQ/TM 0104/FL260/TP A321/TB NEG
LCQ UAHeader — reporting station and UA: a routine pilot report.OV LCQLocation — fix or navaid, optionally with a radial and distance in NM.TM 0104Reported at 01:04 UTC.FL260Altitude: 26,000 ft MSL.TP A321Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
CRG UA /OV CRG080010/TM 0042/FL300/TP A321/SK TOP340
CRG UAHeader — reporting station and UA: a routine pilot report.OV CRG080010Location — fix or navaid, optionally with a radial and distance in NM.TM 0042Reported at 00:42 UTC.FL300Altitude: 30,000 ft MSL.TP A321Aircraft type reporting.SK TOP340Sky condition — cloud bases and tops in hundreds of feet MSL.Show raw report
OMN UA /OV OMN270020/TM 0028/FL180/TP A321/TB NEG
OMN UAHeader — reporting station and UA: a routine pilot report.OV OMN270020Location — fix or navaid, optionally with a radial and distance in NM.TM 0028Reported at 00:28 UTC.FL180Altitude: 18,000 ft MSL.TP A321Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
OMN UA /OV OMN/TM 0021/FL260/TP B350/TB NEG
OMN UAHeader — reporting station and UA: a routine pilot report.OV OMNLocation — fix or navaid, optionally with a radial and distance in NM.TM 0021Reported at 00:21 UTC.FL260Altitude: 26,000 ft MSL.TP B350Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
GNV UA /OV GNV/TM 0015/FL230/TP B737/TB NEG
GNV UAHeader — reporting station and UA: a routine pilot report.OV GNVLocation — fix or navaid, optionally with a radial and distance in NM.TM 0015Reported at 00:15 UTC.FL230Altitude: 23,000 ft MSL.TP B737Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
SFB UA /OV KSFB/TM 0002/FL010/TP P28A/TB NEG 000-010
SFB UAHeader — reporting station and UA: a routine pilot report.OV KSFBLocation — fix or navaid, optionally with a radial and distance in NM.TM 0002Reported at 00:02 UTC.FL010Altitude: 1,000 ft MSL.TP P28AAircraft type reporting.TB NEG 000-010Turbulence: none reported 0–1,000 ft.Show raw report
AMG UA /OV AMG180025/TM 2323/FL290/TP B752/TB CONS LGT CHOP
AMG UAHeader — reporting station and UA: a routine pilot report.OV AMG180025Location — fix or navaid, optionally with a radial and distance in NM.TM 2323Reported at 23:23 UTC.FL290Altitude: 29,000 ft MSL.TP B752Aircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at KNRB
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KNRB reported mostly VFR across 27 observations, with 3 flight-category changes. The strongest gust reached 21 kt, the lowest ceiling was 7,000 ft. Wind most often came from the W.
Most recent change: MVFR → VFR
Most recent change: IFR → VFR
- 23
- 78%
- 05
- 22%
TAF — Terminal Aerodrome Forecast
Issued 0109Z (9:09 PM EDT)
TAF KNRB AMD 2900/2923 17012G18KT 9999 VCTS FEW040CB SCT060 BKN250 QNH2976INS TEMPO 2900/2902 VRB15G25KT 3200 TSRA SCT040CB BKN060 OVC100 FM290300 23010G15KT 9999 FEW060 SCT250 QNH2975INS FM292000 21008KT 9999 VCSH SCT040 BKN250 QNH2974INS AUTOMATED SENSOR METWATCH 2905 TIL 2910 TX34/2919Z TN27/2911Z AMD 0059 FN20073
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Nearby TFRs
Active FAA TFRs near KNRB
FAA TFR data shows an active temporary flight restriction near KNRB.
View all active US TFRs → · Official FAA TFR ↗
Verify with official FAA TFR sources before flight.
Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KNRB
- IATA
- NRB
- FAA LID
- NRB
- City
- Jacksonville
- State
- Florida
- Country
- United States
- Elevation
- 15 ft
- Coordinates
- 30.3911, -81.4247
- Runways
- 2
- Longest runway
- 8,001 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- ATIS
- 26.86 MHz
- Time zone
- America/New_York
- Next sunset
- 20h 33m
Run a flight school, FBO, or club here? Embed KNRB's live status on your website — free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- RC Club of Jacksonville - Island Dr — Jacksonville, FL · 8 mi
- Island Flyers R/C Club - Nassau County Lofton Creek Landfill — Fernandina Beach, FL · 18 mi
- Gateway RC Club Flying Field - Lannie Rd — Jacksonville, FL · 21 mi
Historical Flying Weather
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KNRB reported VFR conditions during about 86.7% of valid daylight observations, with an estimated 285 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 7.6 kt, calm 6.8% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 79.9 | 11.3 | 4.7 | 4.1 |
| Feb | 79.0 | 10.8 | 4.8 | 5.4 |
| Mar | 85.7 | 7.8 | 3.9 | 2.6 |
| Apr | 89.8 | 7.6 | 1.8 | 0.7 |
| May | 91.4 | 6.7 | 1.4 | 0.5 |
| Jun | 92.4 | 6.3 | 1.0 | 0.4 |
| Jul | 94.8 | 4.2 | 0.8 | 0.2 |
| Aug | 92.9 | 5.8 | 1.0 | 0.3 |
| Sep | 87.9 | 10.4 | 1.5 | 0.2 |
| Oct | 87.3 | 9.9 | 2.0 | 0.8 |
| Nov | 80.7 | 12.0 | 5.1 | 2.3 |
| Dec | 75.1 | 12.6 | 6.5 | 5.8 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 7.2 kt |
| Feb | 7.3 kt |
| Mar | 8.0 kt |
| Apr | 8.4 kt |
| May | 8.3 kt |
| Jun | 7.5 kt |
| Jul | 6.6 kt |
| Aug | 6.8 kt |
| Sep | 8.3 kt |
| Oct | 8.3 kt |
| Nov | 7.8 kt |
| Dec | 7.1 kt |
Historical summary of past observations — not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KNRB airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Naval Station Mayport / Admiral David L McDonald Field in Jacksonville, FL shows the runway and taxiway layout across 2 runways, ramp areas, and hold-short positions — review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2608 · Not for navigation. Download the official FAA PDF ↗
KNRB weather — frequently asked
What runways are available at KNRB?+
KNRB has 2 runways — 05, 23; the longest is 8,001 ft. This page computes the live crosswind for each runway end from the current wind.
Does KNRB report its own weather?+
Yes — Naval Station Mayport / Admiral David L McDonald Field has its own weather station and publishes METAR observations, which this page decodes live.
Does KNRB have a TAF?+
Yes — the TAF is shown on this page below the current conditions.
Does KNRB broadcast D-ATIS?+
No — KNRB does not broadcast D-ATIS. Alerts for KNRB from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KNRB airport diagram?+
The official FAA airport diagram for Naval Station Mayport / Admiral David L McDonald Field (KNRB) is shown on this page — it maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Naval Station Mayport / Admiral David L McDonald Field (KNRB)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Naval Station Mayport / Admiral David L McDonald Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KNRB yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport — showing METAR.
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