WxDecoder

4LA0 Weather Port Sulphur Seaplane Base

Port Sulphur, LouisianaSeaplane base
OFF-FIELD REFERENCE
Nearest report: KNBG · 28 NM NW · 38 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KNBG
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Small Craft AdvisoryMinor · Expected · Likely
25 1717Z to 26 1200Z
Mississippi Sound; Lake Borgne; Breton Sound; Chandeleur Sound; Terrebonne Bay; Barataria Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm; Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM; Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM; Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM; Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm; Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM
* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt. Waves of 3 to 5 feet in the sounds, lakes, and bays and seas 5 to 8 ft in the open Gulf waters. * WHERE...Lake Borgne, all of the sounds, all of the bays, and all of the open Gulf waters. * WHEN...Until 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

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 calm, visibility 10 SM. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy, low near 64F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy 64 NE 9 kt – 1%
Monday Partly Sunny 73/64 NE 13 kt – 2%
Tuesday Mostly Sunny 75/63 NE 13 kt – 0%
Wednesday Sunny 75/63 NE 13 kt – 1%
Thursday Sunny 75/65 NE 13 kt – 5%
Friday Slight Chance Rain Showers 75/66 E 13 kt – 19%
Saturday Mostly Sunny then Chance Rain Showers 77/66 E 9 kt – 32%
Sunday Chance Rain Showers 78 SE 4 kt – 34%

Source: National Weather Service (office LIX). Forecast issued 0135Z.

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 4LA0. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

NE/SW
Dimensions
15,000 x 200 ft
Surface
WATER
NW/SE
Dimensions
15,000 x 100 ft
Surface
WATER
DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2318Z 6:18 PM
Sunrise
1207Z 7:07 AM
Loggable night
2342Z (6:42 PM local) → 1143Z (6:43 AM local)
end of evening to start of morning civil twilight
Position lights required
2318Z (6:18 PM local) → 1207Z (7:07 AM local)
sunset to sunrise (91.209)
Night passenger currency
0018Z (7:18 PM local) → 1107Z (6:07 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

Port Sulphur Seaplane Base is in Port Sulphur, Louisiana. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSeaplane base
CHARTS & AIRSPACE
ICAO / IATA4LA0
RegionLouisiana
CountryUnited States
Coordinates29.4627, -89.7028
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

4LA0 has no on-field report. Nearest reporting station: KNBG (28 NM NW, VFR).

KNBG New Orleans NAS JRB/Alvin Callender Field
28 NM NW
VFR
KNEW Lakefront Airport
39 NM NW
VFR
KMSY Louis Armstrong New Orleans International Airport
43 NM NW
VFR
KHUM Houma Terrebonne Airport
50 NM W
VFR
KGPT Gulfport Biloxi International Airport
65 NM NE
VFR
KBIX Keesler Air Force Base
70 NM NE
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗4LA0 on OurAirports
FREQUENTLY ASKED
Does 4LA0 have a METAR?
No on-field METAR is issued for 4LA0. This page uses the nearest reporting station as a reference.
Does 4LA0 have a TAF?
No TAF is issued directly for 4LA0. Use the nearest TAF-issuing field as a planning reference.
Is this an official preflight weather briefing for 4LA0?
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.