Marine forecast
Delaware Bay waters N of East Pt.–Slaughter Beach
- current wind
- 12 kt SE
- Gusts
- 14 kt
- Seas
- 0.7 ft
- Air
- 68°F
- Water
- 67°F
Observed Tue 3:00 PM | ANZ430
- Gusts now
- 14 kt
- Seas now
- 0.7 ft
- Air
- 68°F
- Water
- 67°F
- 72-hr peak
- 22 kt
In brief
At 3:00 pm EDT on Oct 13, 2026, NDBC station SJSN4 (Ship John Shoal, NJ, 7 miles away) measured wind from the SE at 12 kt, gusting to 14 kt; buoy 44063 measured seas of 0.7 ft. The NWS forecast for Delaware Bay waters N of East Pt.–Slaughter Beach, NJ issued at 9:18 am EDT on Oct 13, 2026 reads, for today: “W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less.”
Source: National Weather Service Mount Holly NJ forecast; NDBC observations
Wind forecast · ktPeak 22 kt
Seas forecast · ftPeak 2 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| Today | W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less. |
| Tonight | SW winds 10 to 15 kt. Seas around 2 ft. |
| Wed | W winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. |
| Wed Night | W winds around 5 kt, becoming N 10 to 15 kt after midnight. Seas 1 foot or less. |
| Thu | NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. |
| Thu Night | SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers after midnight. |
| Fri | S winds 10 to 15 kt, becoming W 20 to 25 kt in the afternoon. Seas 2 to 3 ft. A chance of showers in the morning, then showers likely in the afternoon. |
| Fri Night | NW winds 25 to 30 kt. Seas 3 to 5 ft. Showers likely in the evening. |
| Sat | NW winds 25 to 30 kt. Seas 3 to 5 ft. |
| Sat Night | NW winds 25 to 30 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. |
Issued Tue 9:18 AM by Mount Holly NJ (product CWFPHI).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 3:00 PM | 12 kt SE | 14 kt | — | 67°F |
| Tue 2:54 PM | 12 kt SE | 13 kt | — | 67°F |
| Tue 1:54 PM | 10 kt SE | 10 kt | — | 66°F |
| Tue 12:54 PM | 14 kt SE | 14 kt | — | 66°F |
| Tue 11:54 AM | 11 kt SE | 11 kt | — | 66°F |
| Tue 10:54 AM | 1 kt SSE | 2 kt | — | 66°F |
| Tue 9:54 AM | 3 kt WSW | 4 kt | — | 66°F |
| Tue 8:54 AM | 3 kt W | 3 kt | — | 66°F |
| Tue 7:54 AM | 8 kt W | 8 kt | — | 66°F |
| Tue 6:54 AM | 6 kt W | 6 kt | — | 66°F |
| Tue 5:54 AM | 6 kt WSW | 6 kt | — | 66°F |
| Tue 4:54 AM | 5 kt WSW | 5 kt | — | 66°F |
Observed Tue 3:00 PM at NDBC buoy SJSN4 (Ship John Shoal, NJ), 6.6 miles away. Seas from buoy 44063 (Annapolis, MD), 61.9 miles away, at Tue 3:00 PM.
Frequently asked questions
What is the marine forecast for Delaware Bay waters N of East Pt.–Slaughter Beach today?
Today: W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less.
Is there a small craft advisory for Delaware Bay waters N of East Pt.–Slaughter Beach?
No advisories, warnings or watches are in effect for NWS zone ANZ430 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 Delaware Bay waters N of East Pt.–Slaughter Beach right now?
Seas are running 0.7 ft, measured at NDBC buoy SJSN4 Tue 3:00 PM, 6.6 miles from this zone. The forecast peaks at 2.0 ft Fri 9 AM.
What is the water temperature at Delaware Bay waters N of East Pt.–Slaughter Beach?
The nearest buoy read 67°F (19°C) at Tue 3:00 PM. Sea surface temperature at a single buoy can differ by several degrees from the water at a beach or in a shallow bay nearby.
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 ANZ430, issued by Mount Holly NJ, 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 CWFPHI, issued Tue 9:18 AM. Observations: NOAA National Data Buoy Center station SJSN4, read Tue 3:00 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.