Grays Harbor Washington →
Open
Open to all vessels — use normal caution
Ebb builds from ~4:17 PM against a 4 ft @ 17 s SW swell - no major opposing-ebb hazard, but confirm conditions on the bar.Ebb estimated from tides - swell: buoy 46211
Recreational
None & under
Uninspected Passenger
None & under
Checked
9:21 PM · 6h 57m ago
Stale — 6h 57m old
!
No Restrictions
Swell
2–4ft
Wind
10kt
from NW
Visibility
5+nm
USCG Station
Station Grays Harbor
206-815-6661
Call before crossing
Grays Harbor Cam LIVE
Grays Harbor webcam
Auto-refreshes every 60s • Click to enlarge · Source: ODOT TripCheck
NOAA Bar Report Issued 9:03 PM · 7h 15m ago
Cape Flattery to James Island

REDLINE/ GREENLINE 2 TO 4 FOOT SWELLS. SLOPHOLE/ MIDDLE GROUNDS 2 TO 4 FOOT SWELLS. WINDS ARE 5-10 KNOTS FROM THE NORTHWEST. VISIBILITY IS 5 NAUTICAL MILES. THE GRAYS HARBOR BAR IS CURRENTLY UNRESTRICTED.

Alerts
Heads up: NOAA hasn't refreshed this bar's conditions in 6h 57m. Values may be out of date — verify with the USCG bar station or alternative sources before crossing.
Where to verify:
Best Slack-Tide Windows
Fair
7:18am – 8:48am
Low tide -1.0 ft · Slack water near the tide turn
Fair
2:02pm – 3:32pm
High tide 7.6 ft · Slack water near the tide turn
Fair
7:20pm – 8:50pm
Low tide 2.6 ft · Slack water near the tide turn
Fair
1:22am – 2:52am
High tide 8.7 ft · Slack water near the tide turn
Tides & Sun
Low 8:03am -1.0 ft
High 2:47pm 7.6 ft
Low 8:05pm 2.6 ft
High 2:07am 8.7 ft
Low 8:35am -0.9 ft
High 3:18pm 7.8 ft
Sunrise
5:51 AM
Sunset
8:54 PM
Dawn / Dusk
5:17 AM · 9:28 PM

Marine Forecast — Cape Flattery to James Island

Tonight
NW 5–10 kt
NW wind 5 to 10 kt, becoming W after midnight, backing to S late. Seas around 4 ft. Wave D…
Thu
3–4 ft
S 5–10 kt
S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds and SW 2 ft at 17 seco…
Thu Night
4–5 ft
Wind —
SE wind around 5 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 se…
Fri
SE 5–10 kt
SE wind 5 to 10 kt, veering to S in the afternoon. Seas around 4 ft. Wave Detail: W 4 ft a…

Data from NOAA National Weather Service. Forecast updates every 6 hours.

7-Day Forecast

Thursday
Mostly Sunny
62°F
Mostly Sunny
2 to 8 mph WSW
Friday
Partly Sunny
66°F
Partly Sunny
1 to 10 mph NW
Saturday
Light Rain then Partly Sunny
62°F
Light Rain then Partly Sunny
7 to 13 mph WSW
Sunday
Mostly Sunny
62°F
Mostly Sunny
3 to 15 mph NW
Monday
Sunny
65°F
Sunny
3 to 15 mph NNW
Tuesday
Mostly Sunny
66°F
Mostly Sunny
5 to 15 mph NNW
Wednesday
Mostly Sunny
64°F
Mostly Sunny
6 to 13 mph NW

Data from NWS api.weather.gov. Use for trip planning - verify conditions closer to departure.

Tide Predictions

Scroll to zoom, drag to pan

NOAA tide predictions for the next 7 days. Height in feet above Mean Lower Low Water (MLLW). Best bar crossing is typically during slack tide (between high and low).

Tide Predictions
Pinch to zoom, drag to pan

Tide height predictions chart. Data table follows.

Tide Height Predictions
Date/Time Height (ft) Type

View shareable Grays Harbor tide forecast →

Tidal Currents & Crossing Windows

Slack Water
Next Slack: 9:33 AM Est.

Optimal Crossing Windows (next 24h)

9:33 AM
2026-07-30
Slack (est.)
4:17 PM
2026-07-30
Slack (est.)
9:35 PM
2026-07-30
Slack (est.)
3:37 AM
2026-07-31
Slack (est.)
Slack times estimated from tide data. Verify with USCG before crossing.

Crossing Safety: Slack water (±30 min) is safest. Avoid crossing when strong ebb meets ocean swell - dangerous standing waves form at bar entrance.

Buoy 46211 — Grays Harbor

obs ·

Real-time ocean conditions from the National Data Buoy Center (NDBC). Wave height, period, water temperature, and atmospheric data from offshore monitoring buoys.

Grays Harbor buoy

Station 46211

Wave Height

4.3ft

Dom Period

17s

Avg Period

6.9s

Wave Dir

SW230°

Wind Speed

--kt

Wind Dir

--

Water Temp

62°F

Air Temp

--°F

Pressure

--mb

Observation: Jul 30, 2026 9:56 AM UTC | View on NDBC

Long-period swell 17s period - smooth rolling waves
Easier to navigate. Waves break predictably with time between sets.
Link copied to clipboard!

Buoy History (48 Hours)

Scroll to zoom, drag to pan

Wave height (blue) and dominant wave period (orange) from the NDBC buoy over the last 48 hours. Longer wave periods typically indicate ocean swell; shorter periods suggest local wind waves.

Buoy History
Pinch to zoom, drag to pan

Buoy wave data chart showing wave height and period. Data table follows.

Buoy Wave Data (Last 48 Hours)
Date/Time Wave Height (ft) Wave Period (sec)
Nearby Bars · Washington All bars →