Seattle, WA - Station ID: 9447130

Established:Jan 01, 1899
Time Meridian:0° E
Present Installation:Sep 05, 2018
Date Removed:N/A
Water Level Max (ref MHHW):3.12 ft. Jan 27, 1983
Water Level Min (ref MLLW):-5.04 ft. Jan 04, 1916
Mean Range:7.66 ft.
Diurnal Range:11.36 ft.
Latitude47° 36.1' N
Longitude122° 20.3' W
NOAA Chart#:18450
Met Site Elevation:12.5 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
9:56 AM
2:34 AMlow -2.0 ft.
9:56 AMhigh 11.6 ft.
3:30 PMlow 6.9 ft.
8:24 PMhigh 10.1 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Tsunami WLU13N/A Enabled
Microwave WLY13N/A Enabled
For questions about disabled sensors, please contact CO-OPS User Services.


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How to reach: To reach the tidal bench marks from the Seattle Post Office at Third and Union Streets, proceed west on Union Street for one block, then right (south) on Second Avenue for three blocks, then right (west) on Madison Street for three blocks, then left (south) on Alaskan Way to just before the second traffic light (at the intersection of Columbia Street and Alaskan Way), then turn right (west) into the ferry terminal parking lot. The tidal bench marks are near the ferry terminal. The tide guage is located in the ferry terminal building in a storage room adjacent to and north of the Bremerton Ferry loading ramp (Slip #2).

Products available at 9447130 Seattle, WA