ntslf.org

• name: format-detection content: telephone=no
• charset: utf-8
• name: Generator content: Drupal 11 (https://www.drupal.org)
• name: MobileOptimized content: width
• name: HandheldFriendly content: true
• name: viewport content: width=device-width, initial-scale=1.0
• name: msapplication-TileColor content: #3578b8
• name: msapplication-TileImage content: /themes/ntslf-NOC8X/Favicons/mstile-150x150.png
• name: msapplication-config content: /themes/ntslf-NOC8X/Favicons/browserconfig.xml
• name: theme-color content: #3578b8

• Skip to main content
• http://ntslf.org/
• Tides
• Storm surges
• Products
• About
• http://ntslf.org/#
• About tides
• Tides – questions and answers
• Sea level – questions and answers
• The Doodson-Légé Tide Predicting Machine
• Tide clocks and watches
• Tidal river bores
• The River Dee / Afon Dyfrdwy
• The River Mersey
• UK National Tide Gauge Network
• Data availability
• Tidal predictions – UK and Ireland
• UK South Atlantic Network
• Gibraltar sea level station
• Tidal predictions – South Atlantic
• Tide gauge instruments
• Definitions of tidal levels
• Chart datum and ordnance datum
• Engineers’ page
• Proudman Building, Liverpool weather station
• About storm surges
• Tide-surge model
• Surge model forecast
• Surge model archive
• Surge model archive: 2004–2019
• Surge model ensemble forecasting
• Skew surges
• Skew surge history: England – south
• Skew surge history: England – east
• Skew surge history: England – west
• Skew surge history: Wales
• Skew surge history: Scotland
• Skew surge history: Northern Ireland
• Skew surge history: Isle of Man
• Skew surge history: Channel Islands
• Sea level trends
• Sea level trend charts
• Software
• Contact us
• NTSLF will display these outputs
• moon’s nodal cycle
• http://ntslf.org/mailto:[email protected]?subject=Letter%20of%20support%20for%20NTSLF
• Liverpool 28-day tidal predictions
• Liverpool tide tables April & May
• Southampton 28-day tidal predictions
• Cookie settings

• https://noc.ac.uk
• https://www.liverpool.ac.uk
• Permanent Service for Mean Sea Level (PSMSL)
• Leaflet
• OpenStreetMap
• storm surges
• Privacy and cookies
• https://www.noc.ac.uk
• Disclaimer

            Domain Name: NTSLF.ORG
Registrar: IONOS SE
Domain Status: client transfer prohibited
Registry Expiry Date: 2033-03-17T12:53:30.343Z
Creation Date: 2008-03-17T12:53:30.343Z
Updated Date: 2025-09-09T17:10:13.02Z
Name Server: NS3-32.AZURE-DNS.ORG
Name Server: NS1-32.AZURE-DNS.COM
Name Server: NS2-32.AZURE-DNS.NET
Name Server: NS4-32.AZURE-DNS.INFO
REGISTRAR Contact: IONOS SE
>>> Last update of RDAP database: 2026-08-03T00:58:42Z         

			#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
        

Technické SEO

SEO na stránke

Obsah a UX