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.
Nearby GNSS Stations from SONEL: CASC
Nearby Real Time Stations from VLIZ: casc
Fast Delivery Data from UHSLC station 209: hourly and daily
Research Quality Data from UHSLC station 209: hourly and daily
PRIOR TO 1959 MSL VALUES BASED ON READINGS OF HIGH AND LOW WATER
Documentation added 1991-06-11
Cascais 210/021 RLR(1964) is 11.2m below BMOb1
Documentation added 1995-10-31
Oct- Nov 1993 values checked and as received from authority
Documentation added 1997-01-13
data for 1985-87 revised January 1997
Documentation added 2001-03-28
Data for 1986-93 updated March 2001
Documentation added 2001-04-06
Cascais experienced a small tsunami on 28 February 1969 following a M=7.3 earthquake on the Horseshoe Abyssal Plain at 36 N 11 W.
Documentation added 2002-02-05
Cascais 1994-1999 gap due to malfunction.
Documentation added 2016-01-22
A value of MTL-MSL=4 mm has been applied to the RLR data for the period 1882-1958. The values were derived using the GESLA2 (high-frequency tide gauge) dataset using harmonic constituents.
Data Authority
Instituto Port. de Cartografia e Cadastro Rua de Artilharia Um, No. 107 P - 1070 Lisboa