Marine Forecast
Illustrated map of Cowlitz River at Randle

Marine forecast

Point Grenville To Cape Shoalwater 10, WA

current wind
8 kt SSE
Seas
3.6 ft
Period
12 sec
Air
56°F
Water
56°F

Observed Tue 10:50 AM | PZZ176

Seas now
3.6 ft · 12 sec
Air
56°F
Water
56°F
72-hr peak
12 kt
Peak seas
6 ft

In brief

At 10:50 am PDT on Oct 13, 2026, NDBC station 46099 (OOI Westport Shelf, 19 miles away) measured wind from the SSE at 8 kt; buoy 46211 measured seas of 3.6 ft. The NWS forecast for Point Grenville To Cape Shoalwater 10, WA issued at 1:22 am PDT on Oct 13, 2026 reads, for today: “S wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 5 to 6 ft.”

Source: National Weather Service Seattle WA forecast; NDBC observations

Wind forecast · ktPeak 12 kt

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

Seas forecast · ftPeak 6 ft

0123456Wed 14Thu 15Fri 160123456Wed 14Thu 15Fri 16
Oct 13-16 | PDT

NWS marine forecast

PeriodForecast
TodayS wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 5 to 6 ft. Wave Detail: NW 3 ft at 6 seconds, S 2 ft at 6 seconds and W 5 ft at 14 seconds. A slight chance of rain.
TonightS wind around 10 kt. Seas 5 to 7 ft. Wave Detail: S 2 ft at 4 seconds, NW 4 ft at 5 seconds and W 5 ft at 14 seconds. A chance of rain after midnight.
WedS wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: S 2 ft at 4 seconds, NW 2 ft at 6 seconds and W 6 ft at 13 seconds. A chance of rain in the morning.
Wed NightSE wind around 5 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 12 seconds and SW 3 ft at 17 seconds.
ThuE wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: E 2 ft at 4 seconds, W 5 ft at 12 seconds and SW 2 ft at 16 seconds.
Thu NightE wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 2 ft at 4 seconds, W 5 ft at 11 seconds and SW 2 ft at 15 seconds.
FriSW wind around 5 kt. Seas 5 to 6 ft. Wave Detail: E 2 ft at 4 seconds, W 6 ft at 11 seconds and S 2 ft at 15 seconds.
Fri NightSW wind 5 to 10 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft at 11 seconds and SW 2 ft at 15 seconds. A chance of rain.
SatNW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: NW 2 ft at 5 seconds, W 8 ft at 12 seconds and SW 2 ft at 15 seconds.
Sat NightNW wind around 5 kt. Seas 8 to 9 ft. Wave Detail: NW 3 ft at 5 seconds, W 9 ft at 14 seconds and S 2 ft at 14 seconds.

Issued Tue 1:22 AM by Seattle WA (product CWFSEW).

TimeWindGustSeasWater
Tue 10:50 AM 8 kt SSE — — 56°F
Tue 9:50 AM 8 kt SSE — — 56°F
Tue 8:50 AM 8 kt S — — 56°F
Tue 7:50 AM 8 kt S — — 57°F
Tue 6:50 AM 8 kt SSE — — 55°F
Tue 5:50 AM 6 kt SSE — — 55°F
Tue 4:50 AM 6 kt SSE — — 55°F
Tue 3:50 AM 6 kt SSE — — 55°F
Tue 2:50 AM 4 kt SE — — 55°F
Tue 1:50 AM 4 kt SE — — 55°F
Tue 12:50 AM 4 kt SE — — 55°F
Mon 11:50 PM 2 kt S — — 55°F

Observed Tue 10:50 AM at NDBC buoy 46099 (OOI Westport Shelf), 18.8 miles away. Seas from buoy 46211 (Grays Harbor, WA (036)), 35.9 miles away, at Tue 11:56 AM.

What is the marine forecast for Point Grenville To Cape Shoalwater 10 today?

Today: S wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 5 to 6 ft. Wave Detail: NW 3 ft at 6 seconds, S 2 ft at 6 seconds and W 5 ft at 14 seconds. A slight chance of rain.

Is there a small craft advisory for Point Grenville To Cape Shoalwater 10?

No advisories, warnings or watches are in effect for NWS zone PZZ176 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 Point Grenville To Cape Shoalwater 10 right now?

Seas are running 3.6 ft at a 12-second period, measured at NDBC buoy 46099 Tue 10:50 AM, 18.8 miles from this zone. The forecast peaks at 6.0 ft Tue 12 PM.

What is the water temperature at Point Grenville To Cape Shoalwater 10?

The nearest buoy read 56°F (13°C) at Tue 10:50 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 PZZ176, 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 46099, read Tue 10:50 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.