Lost Isle Seaplane Base (S74) Area Aviation Weather & Runway Winds
Aviation weather near Lost Isle Seaplane Base in Stockton, CA, decoded from the nearest reporting station (KSCK): conditions, runway crosswinds, and free Telegram airport alerts.
Lost Isle Seaplane Base (S74) is a seaplane base in Stockton, CA. S74 has no weather station of its own. Conditions here are decoded from KSCK, about 12 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (NW, SE), longest 4,000 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KSCK. Track it in the ATIS Alerts Telegram bot to get alerts read from KSCK, the station this page is based on.
No weather station at this airport: showing the nearest station KSCK, 12.3 nm away.
Wind from the west (260°) at 8 kt, visibility 6 statute miles, no cloud data, temperature 17°C (63°F), altimeter 29.95 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSCK 130655Z AUTO 26008KT 6SM HZ CLR 17/13 A2995 RMK AO2 SLP141 T01720128 403390167 $
What changed at KSCK (nearest station)?
Since the 0555Z (10:55 PM PDT) report, compared automatically against the latest METAR.
- Visibility moved from 10 SM to 6 SM.
- Haze began (HZ).
This is exactly what ATIS Alerts watches for you: get a Telegram message when S74's weather changes, free →
Current pilot readout for S74
Based on the nearest station (KSCK), S74 is currently VFR with winds from 260° at 8 knots, visibility 6 statute miles, and no ceiling reported. The strongest crosswind component is currently on runway NW, about 8 knots. Density altitude is approximately 250 ft (field elevation 0 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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Track S74 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 S74. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| NWFAV | 4,000 ft | WATER-G | 1 kt tail | 8 kt left |
| SE | 4,000 ft | WATER-G | 1 kt tail | 8 kt left |
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 23 h: wind 3→8 kt, ceiling unlimited → unlimited.
S74 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Lost Isle Seaplane Base in Stockton, 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 S74 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 S74
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SFO UA /OV SFO/TM 0638/FL005/TP A321/RM NEG WIND SHEAR DURD
SFO UAHeader: reporting station and UA: a routine pilot report.OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0638Reported at 06:38 UTC.FL005Altitude: 500 ft MSL.TP A321Aircraft type reporting.RM NEG WIND SHEAR DURDRemarks.Show raw report
SFO UUA /OV SFO/TM 0338/FL005/TP BCS3/RM +/- 10KTS DURD
SFO UUAHeader: reporting station and UUA: an URGENT pilot report (severe conditions, wind shear, or similar).OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0338Reported at 03:38 UTC.FL005Altitude: 500 ft MSL.TP BCS3Aircraft type reporting.RM +/- 10KTS DURDRemarks.Show raw report
SFO UA /OV SFO/TM 0334/FL005/TP B753/RM +/- 5 KTS
SFO UAHeader: reporting station and UA: a routine pilot report.OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0334Reported at 03:34 UTC.FL005Altitude: 500 ft MSL.TP B753Aircraft type reporting.RM +/- 5 KTSRemarks.Show raw report
SFO UA /OV SFO/TM 0312/FL005/TP A321/RM +/- 5 KTS DURD
SFO UAHeader: reporting station and UA: a routine pilot report.OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0312Reported at 03:12 UTC.FL005Altitude: 500 ft MSL.TP A321Aircraft type reporting.RM +/- 5 KTS DURDRemarks.Show raw report
SFO UUA /OV SFO/TM 0311/FL012/TP CL60/RM +/- 10 KTS DURD
SFO UUAHeader: reporting station and UUA: an URGENT pilot report (severe conditions, wind shear, or similar).OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0311Reported at 03:11 UTC.FL012Altitude: 1,200 ft MSL.TP CL60Aircraft type reporting.RM +/- 10 KTS DURDRemarks.Show raw report
SFO UA /OV SFO/TM 0309/FL005/TP B77W/RM NEG WIND SHEAR DURC
SFO UAHeader: reporting station and UA: a routine pilot report.OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0309Reported at 03:09 UTC.FL005Altitude: 500 ft MSL.TP B77WAircraft type reporting.RM NEG WIND SHEAR DURCRemarks.Show raw report
SFO UA /OV SFO/TM 0309/FL002/TP A332/RM +/- 5KTS DURD
SFO UAHeader: reporting station and UA: a routine pilot report.OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0309Reported at 03:09 UTC.FL002Altitude: 200 ft MSL.TP A332Aircraft type reporting.RM +/- 5KTS DURDRemarks.Show raw report
SFO UA /OV SFO/TM 0303/FL005/TP B38M/RM +/- 5KTS DURD
SFO UAHeader: reporting station and UA: a routine pilot report.OV SFOLocation: fix or navaid, optionally with a radial and distance in NM.TM 0303Reported at 03:03 UTC.FL005Altitude: 500 ft MSL.TP B38MAircraft type reporting.RM +/- 5KTS DURDRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at S74
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KSCK reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 27 kt. Wind most often came from the W.
- NW/SE
- 100%
TAF | Terminal Aerodrome Forecast
Issued 0520Z (10:20 PM PDT)
TAF KSCK 130520Z 1306/1406 29012G20KT P6SM SKC FM130900 28009KT P6SM SKC FM131600 29011G18KT P6SM SKC FM140300 28008KT P6SM SKC
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Nearby TFRs
Active FAA TFRs near S74
FAA TFR data shows an active temporary flight restriction near S74.
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
- Seaplane base
- FAA LID
- S74
- City
- Stockton
- State
- California
- Country
- United States
- Elevation
- 0 ft
- Coordinates
- 38.0041, -121.4570
- Runways
- 2
- Longest runway
- 4,000 ft
- Weather reporting
- Nearest station KSCK
- TAF
- Nearest KSCK
- Time zone
- America/Los_Angeles
- Next sunset
- 19h 5m
Run a flight school, FBO, or club here? Embed S74'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.
- Schmidt Ranch , Elk Grove, CA · 22 mi
- Modesto RC Club - Mistlin Sports Park , Ripon, CA · 24 mi
- LFE - Livermore Flying Electrons - Raymond Rd , Livermore, CA · 24 mi
S74 weather: frequently asked
What runways are available at S74?+
S74 has 2 runways: NW, SE; the longest is 4,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for S74 come from?+
Lost Isle Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KSCK, about 12 nm away, close enough for situational awareness, but local conditions at S74 can differ.
Does S74 have a TAF?+
Yes. The KSCK TAF is shown on this page below the current conditions.
Does S74 broadcast D-ATIS?+
No. S74 does not broadcast D-ATIS. Alerts for S74 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Lost Isle Seaplane Base (S74)
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 Lost Isle 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 S74 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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