North Spit, CA - Station ID: 9418767

Established:Aug 16, 1977
Time Meridian:0° E
Present Installation:Oct 02, 1991
Date Removed:N/A
Water Level Max (ref MHHW):3.03 ft. Dec 31, 2005
Water Level Min (ref MLLW):-2.90 ft. Jan 20, 1988
Mean Range:4.89 ft.
Diurnal Range:6.86 ft.
Latitude40° 46' N
Longitude124° 13' W
NOAA Chart#:18622
Met Site Elevation:24.8 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
6:10 PM
5:26 AMlow 1.7 ft.
11:41 AMhigh 6.8 ft.
6:10 PMlow 0.4 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Acoustic WLA11N/A Enabled
Water TemperatureE113.8 ft. below MLLW Enabled
Barometric PressureF1125.7 ft. above MSL Enabled
Tsunami WLU11N/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 U.S. Highway 101 in North Eureka, take Samoa exit from State Highway 255, and proceed NW on State Highway 255 for 2.9 km (1.8 mi) to a T intersection, then turn south onto the Navy Base road and continue for about 6 km (4 mi) to Humboldt Bay Coast Guard Station. The bench marks are on the Coast Guard Base property. The tide gauge is at the east end of the southern pier of two finger piers directly east of the 3-story Coast Guard station building. Station Description: Instruments are hanging in the loft of the Coast Guard Boat House.

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