Snake River Seaplane Base (78U) Area Aviation Weather & Runway Winds
As of 5:56 AM PDT, Oct 28, based on the nearest station (KLWS), 78U is currently VFR with winds from 060° at 4 knots, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near Snake River Seaplane Base in Lewiston, ID, decoded from the nearest reporting station (KLWS): conditions and runway crosswinds.
Snake River Seaplane Base (78U) is a seaplane base in Lewiston, ID. 78U has no weather station of its own. Conditions here are decoded from KLWS, about 2 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (N, S), the longest 3,000 ft. The nearest TAF is issued for KLWS.
No weather station at this airport: showing the nearest station KLWS, 2 nm away.
Wind from the east-northeast (060°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 6°C (43°F), altimeter 29.95 inHg. Conditions are Visual Flight Rules (VFR).
METAR KLWS 281256Z 06004KT 10SM CLR 06/02 A2995 RMK AO2 SLP147 T00610022 $
What changed at KLWS (nearest station)?
Since the 1156Z (4:56 AM PDT) report, compared automatically against the latest METAR.
No significant changes since the 1156Z (4:56 AM PDT) report, conditions are holding steady.
Current pilot readout for 78U
Based on the nearest station (KLWS), 78U is currently VFR with winds from 060° at 4 knots, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately -200 ft (field elevation 735 ft). Review the latest TAF below for forecast changes before departure.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| NFAV | 3,000 ft | WATER | 2 kt head | 3 kt right |
| S | 3,000 ft | WATER | 2 kt head | 3 kt right |
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→4 kt, ceiling 4,900 ft → unlimited.
78U weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Recent aviation weather trends at 78U
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KLWS reported mostly VFR across 25 observations, with 2 flight-category changes. The lowest ceiling was 4,600 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- N/S
- 100%
TAF | Terminal Aerodrome Forecast
Issued 1132Z (4:32 AM PDT)
TAF KLWS 281132Z 2812/2912 19009KT P6SM SCT080 FM281600 19005KT P6SM OVC060
New to TAFs? How to read one →
Get 78U weather alerts in Telegram
Stop refreshing aviation weather manually. Track 78U 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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Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Attended
- Apr-Oct Daily 0700-DUSK local; Nov-Mar Ireg IREG local
- Transient parking
- Tie-downs
- Landing fee
- No
- Control tower
- None
Airport
- Type
- Seaplane base
- FAA LID
- 78U
- City
- Lewiston
- State
- Idaho
- Country
- United States
- Elevation
- 735 ft
- Coordinates
- 46.3646, -117.0620
- Runways
- 2 physical runways · 2 runway ends
- Longest runway
- 3,000 ft
- Weather reporting
- Nearest station KLWS
- TAF
- Nearest KLWS
- Time zone
- America/Los_Angeles
- Next sunset
- 11h 27m
Run a flight school, FBO, or club here? Embed 78U'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
10 airports+4 more within 25 NM
25–50 NM
6 airports50–100 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.
- Mann Lake , Lewiston, ID · 10 mi
- Palouse Region R/C Flyers - Leroy Johnson/Chambers RC Field , Pullman, WA · 20 mi
Pilot PIREPs for Snake River Seaplane Base (78U)
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 Snake River 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.
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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.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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