Marine Forecast
Illustrated map of Toledo Bend Reservoir

Marine forecast

Chandeleur Sound, LA

current wind
6 kt SE
Gusts
8 kt
Seas
1.0 ft
Period
6 sec
Air
85°F

Observed Tue 1:54 PM | GMZ536

Gusts now
8 kt
Seas now
1.0 ft · 6 sec
Air
85°F
72-hr peak
10 kt

In brief

At 1:54 pm CDT on Oct 13, 2026, NDBC station SHBL1 (Shell Beach, LA, 20 miles away) measured wind from the SE at 6 kt, gusting to 8 kt; buoy 42354 measured seas of 1.0 ft. The NWS forecast for Chandeleur Sound, LA issued at 1:56 pm CDT on Oct 13, 2026 reads, for this afternoon: “East winds around 5 knots. Waves 1 foot or less.”

Source: National Weather Service New Orleans LA forecast; NDBC observations

Wind forecast · ktPeak 10 kt

051015Wed 14Thu 15Fri 16051015Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | CDT

NWS marine forecast

PeriodForecast
This AfternoonEast winds around 5 knots. Waves 1 foot or less.
TonightSouth winds around 5 knots. Waves 1 foot or less.
WednesdayNortheast winds 5 to 10 knots, becoming east in the afternoon. Waves 1 foot or less.
Wednesday NightSoutheast winds 5 to 10 knots. Waves 1 foot or less.
ThursdayEast winds 5 to 10 knots. Waves around 2 feet.
Thursday NightEast winds 5 to 10 knots. Waves around 2 feet in the evening, then 1 foot or less.
FridayNortheast winds 5 to 10 knots. Waves around 2 feet in the morning, then 1 foot or less.
Friday NightNorthwest winds 15 to 20 knots, becoming north 25 to 30 knots after midnight. Waves 2 to 4 feet, building to 6 to 7 feet after midnight.
SaturdayNortheast winds 25 to 30 knots. Waves 6 to 7 feet, subsiding to 4 to 6 feet in the afternoon.
Saturday NightNortheast winds 20 to 25 knots. Waves around 5 feet.

Issued Tue 1:56 PM by New Orleans LA (product CWFLIX).

TimeWindGustSeasWater
Tue 1:54 PM 6 kt SE 8 kt — —
Tue 12:54 PM 7 kt SSE 11 kt — —
Tue 11:54 AM 7 kt ESE 10 kt — —
Tue 10:54 AM 0 kt 2 kt — —
Tue 9:54 AM 3 kt ESE 4 kt — —
Tue 8:54 AM 3 kt ESE 4 kt — —
Tue 7:54 AM 3 kt ESE 4 kt — —
Tue 6:54 AM 3 kt ESE 3 kt — —
Tue 5:54 AM 4 kt SE 4 kt — —
Tue 4:54 AM 2 kt ESE 2 kt — —
Tue 3:54 AM 2 kt S 2 kt — —
Tue 2:54 AM 3 kt SSE 3 kt — —

Observed Tue 1:54 PM at NDBC buoy SHBL1 (Shell Beach, LA), 20.5 miles away. Seas from buoy 42354 (Chandeleur Island SE, LA (279)), 46.4 miles away, at Tue 2:00 PM.

What is the marine forecast for Chandeleur Sound today?

This Afternoon: East winds around 5 knots. Waves 1 foot or less.

Is there a small craft advisory for Chandeleur Sound?

No advisories, warnings or watches are in effect for NWS zone GMZ536 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.

How high are the waves at Chandeleur Sound right now?

Seas are running 1.0 ft at a 6-second period, measured at NDBC buoy SHBL1 Tue 1:54 PM, 20.5 miles from this zone.

What do the wind speeds in knots mean?

One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.

Where does this forecast come from?

The forecast text is the National Weather Service's own marine bulletin for zone GMZ536, issued by New Orleans LA, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.

Forecast: NOAA/NWS product CWFLIX, issued Tue 1:56 PM. Observations: NOAA National Data Buoy Center station SHBL1, read Tue 1:54 PM. Retrieved Oct 13, 2:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.