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 not reported, visibility visibility not reported, no cloud data, altimeter 30.00 inHg.
METAR KNRB 130852Z AUTO A3000 RMK AO2 SLP160 56003 PWINO TSNO $
What changed at KNRB?
Since the 0752Z (3:52 AM EDT) report, compared automatically against the latest METAR.
No significant changes since the 0752Z report, conditions are holding steady.
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 has no current flight category, but is reporting with calm winds, visibility not reported, and no ceiling reported. 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.
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For pilots and crews overnighting at Naval Station Mayport / Admiral David L McDonald Field (KNRB).
Nearby Pilot Hotel Deals
Well-reviewed places under $500 a night near KNRB (NRB); drag to explore or tap a pin for the rate.
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Runway 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.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 05 | 8,001 ft | ASP | - | - |
| 23 | 8,001 ft | ASP | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 20 h: wind 0→0 kt, ceiling unlimited → 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 © Stadia Maps © OpenMapTiles © OpenStreetMap
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
OCF UA /OV OCF/TM 0754/FL380/TP A359/TB NEG
OCF UAHeader: reporting station and UA: a routine pilot report.OV OCFLocation: fix or navaid, optionally with a radial and distance in NM.TM 0754Reported at 07:54 UTC.FL380Altitude: 38,000 ft MSL.TP A359Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
GNV UA /OV GNV/TM 0753/FL110/TP PC12/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 0753Reported at 07:53 UTC.FL110Altitude: 11,000 ft MSL.TP PC12Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
AMG UA /OV AMG160040/TM 0719/FL350/TP A320/TB NEG
AMG UAHeader: reporting station and UA: a routine pilot report.OV AMG160040Location: fix or navaid, optionally with a radial and distance in NM.TM 0719Reported at 07:19 UTC.FL350Altitude: 35,000 ft MSL.TP A320Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
ORL UA /OV ORL360023/TM 0613/FL060/TP A21N/TB NEG
ORL UAHeader: reporting station and UA: a routine pilot report.OV ORL360023Location: fix or navaid, optionally with a radial and distance in NM.TM 0613Reported at 06:13 UTC.FL060Altitude: 6,000 ft MSL.TP A21NAircraft type reporting.TB NEGTurbulence: none reported.⚠️ 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 varied conditions across 19 observations, with 0 flight-category changes.
Most recent change: MVFR → VFR
- 23
- 61%
- 05
- 39%
TAF | Terminal Aerodrome Forecast
Issued 2000Z (4:00 PM EDT)
TAF KNRB AMD 112000Z 1120/1215 15008KT 9999 VCTS SCT030CB BKN120 BKN250 QNH2990INS TEMPO 1120/1201 VRB15G25KT 4800 TSRA FEW015 SCT030CB BKN080 FM120100 19005KT 9999 VCTS SCT035CB BKN100 BKN250 QNH2992INS FM120200 20005KT 9999 BKN120 BKN250 QNH2994INS LAST NO AMDS AFT 1122 NEXT 1407 AUTOMATED SENSOR METWATCH 1122 TIL 1410 TX33/1118Z TN25/1211Z AMD 2030 FN21025
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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
- 13h 54m
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 at KNRB
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 2610 · 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.
Why pilots use ATIS Alerts
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- Get pinged the moment KNRB drops below VFR or a new report moves your numbers.
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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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