Marine forecast
James Island To Point Grenville, WA
- current wind
- 4 kt ESE
- Gusts
- 8 kt
- Seas
- 1.0 ft
- Period
- 12 sec
- Air
- 55°F
Observed Tue 11:36 AM | PZZ153
- Gusts now
- 8 kt
- Seas now
- 1.0 ft · 12 sec
- Air
- 55°F
- Water
- 50°F
- 72-hr peak
- 13 kt
In brief
At 11:36 am PDT on Oct 13, 2026, NDBC station LAPW1 (La Push, WA, 19 miles away) measured wind from the ESE at 4 kt, gusting to 8 kt; buoy 46267 measured seas of 1.0 ft. The NWS forecast for James Island To Point Grenville, WA issued at 1:22 am PDT on Oct 13, 2026 reads, for today: “SE wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 4 to 5 ft.”
Source: National Weather Service Seattle WA forecast; NDBC observations
Wind forecast · ktPeak 13 kt
Seas forecast · ftPeak 5 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| Today | SE wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 4 to 5 ft. Wave Detail: SW 3 ft at 6 seconds, W 4 ft at 13 seconds and SW 2 ft at 15 seconds. A slight chance of rain early this morning, then a chance of rain late this morning and afternoon. |
| Tonight | SE wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 3 ft at 5 seconds, W 4 ft at 14 seconds and SW 2 ft at 15 seconds. Rain likely after midnight. |
| Wed | SE wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 2 ft at 5 seconds, W 6 ft at 13 seconds and SW 2 ft at 18 seconds. Rain likely in the morning. |
| Wed Night | E wind around 5 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 12 seconds and SW 2 ft at 17 seconds. |
| Thu | NE wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 12 seconds and SW 2 ft at 16 seconds. |
| Thu Night | E wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds and SW 2 ft at 15 seconds. |
| Fri | S wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds and SW 2 ft at 15 seconds. |
| Fri Night | S wind around 5 kt, rising to 5 to 10 kt after midnight. Seas 5 to 6 ft. Wave Detail: W 6 ft at 11 seconds and SW 2 ft at 15 seconds. Rain. |
| Sat | W wind around 5 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft at 12 seconds. A chance of rain in the morning. |
| Sat Night | NW wind around 5 kt, veering to E after midnight. Seas 6 to 8 ft. Wave Detail: NW 2 ft at 5 seconds and W 8 ft at 14 seconds. |
Issued Tue 1:22 AM by Seattle WA (product CWFSEW).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 11:36 AM | 4 kt ESE | 8 kt | — | 50°F |
| Tue 10:54 AM | 4 kt ENE | 6 kt | — | 50°F |
| Tue 9:54 AM | 3 kt ENE | 5 kt | — | 50°F |
| Tue 8:54 AM | 5 kt ENE | 8 kt | — | 50°F |
| Tue 7:54 AM | 5 kt NE | 8 kt | — | 50°F |
| Tue 6:54 AM | 4 kt ENE | 7 kt | — | 50°F |
| Tue 5:54 AM | 2 kt ENE | 4 kt | — | 50°F |
| Tue 4:54 AM | 0 kt | 0 kt | — | 50°F |
| Tue 3:54 AM | 3 kt E | 4 kt | — | 50°F |
| Tue 2:54 AM | 4 kt ENE | 5 kt | — | 50°F |
| Tue 1:54 AM | 5 kt ENE | 7 kt | — | 50°F |
| Tue 12:54 AM | 4 kt ENE | 5 kt | — | 50°F |
Observed Tue 11:36 AM at NDBC buoy LAPW1 (La Push, WA), 19.4 miles away. Seas from buoy 46267 (Angeles Point, WA (248)), 53.2 miles away, at Tue 12:00 PM.
Frequently asked questions
What is the marine forecast for James Island To Point Grenville today?
Today: SE wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 4 to 5 ft. Wave Detail: SW 3 ft at 6 seconds, W 4 ft at 13 seconds and SW 2 ft at 15 seconds. A slight chance of rain early this morning, then a chance of rain late this morning and afternoon.
Is there a small craft advisory for James Island To Point Grenville?
No advisories, warnings or watches are in effect for NWS zone PZZ153 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 James Island To Point Grenville right now?
Seas are running 1.0 ft at a 12-second period, measured at NDBC buoy LAPW1 Tue 11:36 AM, 19.4 miles from this zone. The forecast peaks at 5.0 ft Wed 8 AM.
What is the water temperature at James Island To Point Grenville?
The nearest buoy read 50°F (10°C) at Tue 11:36 AM. 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 PZZ153, issued by Seattle WA, 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 CWFSEW, issued Tue 1:22 AM. Observations: NOAA National Data Buoy Center station LAPW1, read Tue 11:36 AM. Retrieved Oct 13, 12:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.