Data and Station Information for ALERT

Station Information

Station ID:	1110
Latitude:	82.49
Longitude:	-62.32
GLOSS ID:	333
Coastline code:	970
Station code:	162
Country:	CANADA
Time span of data:	1965 – 2024
Completeness (%):	36
Link to ellipsoid:	Available
Date of last update:	19 Jun 2025

Green Arrow:	Current Station
Yellow Marker:	Neighbouring RLR Station
Red Marker:	Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at ALERT.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at ALERT.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution. NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: ALRT
Nearby Real Time Stations from VLIZ: aler
Fast Delivery Data from UHSLC station 836: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Alert 970/162 RLR(1968) is 9.6m below BM-3-1960

Documentation added 2009-01-28

Treat data 1965-1968 as suspect.

Documentation added 2010-08-04

Tide gauge at Alert was re-instated in January 2003. Same benchmark still used - data collated from the Fisheries and Oceans Canada webpage.

Documentation added 2019-06-18

Arctic station Alert has been reporting regularly.

Data Authority

Canadian Hydrographic Service
615 Booth Street
Ottawa
Ontario K1A 0E6

Data

Data Notes

Extracted from Database

ALERT