Lake Berryessa Seaplane Base (E20) Area Aviation Weather & Runway Winds
Aviation weather near Lake Berryessa Seaplane Base in Napa, CA, decoded from the nearest reporting station (KVCB) — conditions, runway crosswinds, and free Telegram airport alerts.
Lake Berryessa Seaplane Base (E20) is a seaplane base in Napa, CA. E20 has no weather station of its own — conditions here are decoded from KVCB, about 16 nm away, the nearest reporting station, and local conditions can differ. Its 6 runways (13, 14, 15, 31) — longest 13,000 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KAPC. Track it in the ATIS Alerts Telegram bot to get alerts read from KVCB, the station this page is based on.
No weather station at this airport — showing the nearest station KVCB, 16.3 nm away.
Wind from the south-southwest (210°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 31°C (87°F), altimeter 29.79 inHg. Conditions are Visual Flight Rules (VFR).
METAR KVCB 290253Z AUTO 21004KT 10SM CLR 31/12 A2979 RMK AO2 SLP084 T03060117 55008
What changed at KVCB (nearest station)?
Since the 0153Z (6:53 PM PDT) report — compared automatically against the latest METAR.
- Temperature down 3°C.
This is exactly what ATIS Alerts watches for you — get a Telegram message when E20's weather changes, free →
Current pilot readout for E20
Based on the nearest station (KVCB), E20 is currently VFR with winds from 210° at 4 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 13, about 2 knots. Density altitude is approximately 2,600 ft (field elevation 440 ft). E20 does not publish a TAF — the nearest TAF station is KAPC, about 20 nm away.
⚠️ 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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Track E20 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 E20. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 13FAV | 7,000 ft | WATER | 3 kt tail | 2 kt left |
| 14 | 13,000 ft | WATER | 3 kt tail | 2 kt left |
| 15 | 10,500 ft | WATER | 3 kt tail | 2 kt left |
| 31 | 7,000 ft | WATER | 3 kt tail | 2 kt left |
| 32 | 13,000 ft | WATER | 3 kt tail | 2 kt left |
| 33 | 10,500 ft | WATER | 3 kt tail | 2 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 7→4 kt, ceiling unlimited → unlimited.
E20 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Lake Berryessa Seaplane Base in Napa, CA: 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 E20 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.
Recent aviation weather trends at E20
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KVCB reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 17 kt. Wind most often came from the SW.
Most recent change: MVFR → VFR
- 13/14/15/31/32/33
- 100%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Seaplane base
- FAA LID
- E20
- City
- Napa
- State
- California
- Country
- United States
- Elevation
- 440 ft
- Coordinates
- 38.5510, -122.2277
- Runways
- 6
- Longest runway
- 13,000 ft
- Weather reporting
- Nearest station KVCB
- TAF
- Nearest KAPC
- Time zone
- America/Los_Angeles
- Next sunset
- 23h 36m
Run a flight school, FBO, or club here? Embed E20'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
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 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.
- West Coast RC Flyers 1 — Napa, CA · 20 mi
- Lagoon Valley Electric Flyers - Lagoon Valley Regional Park — Vacaville, CA · 20 mi
- Bay Area CLPA Association - Kennedy Park — Rio Vista, CA · 20 mi
E20 weather — frequently asked
What runways are available at E20?+
E20 has 6 runways — 13, 14, 15, 31, 32, 33; the longest is 13,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for E20 come from?+
Lake Berryessa Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KVCB, about 16 nm away — close enough for situational awareness, but local conditions at E20 can differ.
Does E20 have a TAF?+
No — E20 does not publish its own TAF. The nearest TAF station is KAPC, about 20 nm away.
Does E20 broadcast D-ATIS?+
No — E20 does not broadcast D-ATIS. Alerts for E20 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Lake Berryessa Seaplane Base (E20)
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 Lake Berryessa Seaplane Base, 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 E20 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.
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