Marine forecast
Savannah–Altamaha Sound (20–60 nm), GA
- current wind
- 4 kt N
- Gusts
- 6 kt
- Seas
- 1.0 ft
- Period
- 7 sec
- Air
- 78°F
Observed Tue 3:10 PM | AMZ384
- Gusts now
- 6 kt
- Seas now
- 1.0 ft · 7 sec
- Air
- 78°F
- 72-hr peak
- 8 kt
In brief
At 3:10 pm EDT on Oct 13, 2026, NDBC station 41008 (GRAYS REEF - 40 NM Southeast of Savannah, GA, 23 miles away) measured wind from the N at 4 kt, gusting to 6 kt; buoy 41067 measured seas of 1.0 ft. The NWS forecast for Savannah–Altamaha Sound (20–60 nm), GA issued at 2:19 pm EDT on Oct 13, 2026 reads, for this afternoon: “NE winds 5 kt. Seas 2 ft.”
Source: National Weather Service Charleston SC forecast; NDBC observations
Wind forecast · ktPeak 10 kt
NWS marine forecast
| Period | Forecast |
|---|---|
| This Afternoon | NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 6 seconds. |
| Tonight | E winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. |
| Wed | N winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. |
| Wed Night | SE winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. |
| Thu | Variable winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds. |
| Thu Night | SE winds 5 kt, becoming S after midnight. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds. |
| Fri | W winds 5 to 10 kt. Seas 2 ft. |
| Fri Night | W winds 25 to 30 kt. Seas 3 to 4 ft. |
| Sat | NE winds 30 kt. Seas 6 to 8 ft. |
| Sat Night | NE winds 25 to 30 kt. Seas 9 to 12 ft. |
Issued Tue 2:19 PM by Charleston SC (product CWFCHS).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 3:10 PM | 4 kt N | 6 kt | — | — |
| Tue 2:50 PM | — | — | 1.3 ft | — |
| Tue 1:50 PM | 6 kt N | 8 kt | 1.3 ft | — |
| Tue 12:50 PM | 8 kt N | 10 kt | 1.3 ft | — |
| Tue 11:50 AM | 8 kt N | 10 kt | 1.3 ft | — |
| Tue 10:50 AM | 8 kt N | 10 kt | 1.3 ft | — |
| Tue 9:50 AM | 8 kt N | 10 kt | 1.3 ft | — |
| Tue 8:50 AM | 8 kt N | 10 kt | 1.3 ft | — |
| Tue 7:50 AM | 8 kt NNE | 10 kt | 1.3 ft | — |
| Tue 6:50 AM | 10 kt N | 12 kt | 1.3 ft | — |
| Tue 5:50 AM | 10 kt N | 12 kt | 1.0 ft | — |
| Tue 4:50 AM | 8 kt NNW | 10 kt | 1.0 ft | — |
Observed Tue 3:10 PM at NDBC buoy 41008 (GRAYS REEF - 40 NM Southeast of Savannah, GA), 23.3 miles away. Seas from buoy 41067, 57.0 miles away, at Tue 2:40 PM.
Frequently asked questions
What is the marine forecast for Savannah–Altamaha Sound (20–60 nm) today?
This Afternoon: NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 6 seconds.
Is there a small craft advisory for Savannah–Altamaha Sound (20–60 nm)?
No advisories, warnings or watches are in effect for NWS zone AMZ384 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 Savannah–Altamaha Sound (20–60 nm) right now?
Seas are running 1.0 ft at a 7-second period, measured at NDBC buoy 41008 Tue 3:10 PM, 23.3 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 AMZ384, issued by Charleston SC, 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 CWFCHS, issued Tue 2:19 PM. Observations: NOAA National Data Buoy Center station 41008, read Tue 3:10 PM. Retrieved Oct 13, 3:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.