30W Weather Sweetwater Bay Seaplane Base

Oconto, WisconsinElevation 579 ftSeaplane base
OFF-FIELD REFERENCE
Nearest report: KMNM · 13 NM NE · 49 min old
Ceiling 2,900 ft, visibility 10 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMNM
WIND
350@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
2,900 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 350° at 5 kt, visibility 10 SM, temperature 11.7C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight chance rain showers, low near 41F, 58% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Chance Rain Showers 41 N 5 kt – 58%
Monday Mostly Cloudy 52/37 NNE 8 kt – 11%
Tuesday Mostly Cloudy 55/48 ESE 10 kt 16 kt 11%
Wednesday Mostly Sunny 65/52 SSW 10 kt – 54%
Thursday Chance Showers And Thunderstorms 63/43 W 7 kt – 54% Thunderstorms in the forecast
Friday Chance Rain Showers 59/47 E 6 kt – 47%
Saturday Chance Rain Showers 60/48 SE 8 kt – 47%
Sunday Chance Rain Showers 58 SW 8 kt – 39%

Source: National Weather Service (office GRB). Forecast issued 0146Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 30W. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

ALL/WAY
Dimensions
10,000 x 250 ft
Surface
WATER
FIELD CONDITIONS

Field elevation

Field elevation
579 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2250Z 5:50 PM
Sunrise
1221Z 7:21 AM
Loggable night
2320Z (6:20 PM local) → 1151Z (6:51 AM local)
end of evening to start of morning civil twilight
Position lights required
2250Z (5:50 PM local) → 1221Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
2350Z (6:50 PM local) → 1121Z (6:21 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Sweetwater Bay Seaplane Base is in Oconto, Wisconsin. Field elevation 579 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSeaplane base
CHARTS & AIRSPACE
ICAO / IATA30W
RegionWisconsin
CountryUnited States
Coordinates44.9519, -87.8084
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

30W has no on-field report. Nearest reporting station: KMNM (13 NM NE, MVFR).

FREQUENTLY ASKED
Does 30W have a METAR?
No on-field METAR is issued for 30W. This page uses the nearest reporting station as a reference.
Does 30W have a TAF?
No TAF is issued directly for 30W. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 30W?
30W sits at 579 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 30W?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.