NDBC buoy, Washington

Sentry Shoal Buoy 46131

Name: NDBC buoy 46131 latest observation
Creator: Tide & Temp
License: https://creativecommons.org/publicdomain/zero/1.0/

Water 52.7 F as of 09:00 UTC, Sunday, October 18, 2026.

Water temperature at NDBC buoy 46131 (Sentry Shoal) is 52.7 F (11.5 C), observed 09:00 UTC on October 18, 2026.
Air temperature at the buoy is 51 F, cooler than the water.
The nearest NOAA tide station is Tatoosh Island, Cape Flattery, 105 mi away.

Water

52.7 F

11.5 C

Air

51 F

10.5 C

Wave height

0.3 ft

dominant period 2 s

Wind

10 kt

from 330 deg

Pressure

1025 hPa

sea level

Position 49.910, -124.980 · 3-meter discus buoy · owner code C. Latest observation from NDBC station 46131; this site refreshes once a day, the buoy reports hourly.

Nearby tide stations

Tatoosh Island, Cape Flattery105 mi
Point Roberts, Puget Sound107 mi
Neah Bay108 mi
Makah Bay112 mi
Sekiu, Clallam Bay118 mi

All Washington water temperatures