Canadian Coast Guard Notices to Mariners (NOTMAR)

Use in your agent

Probe NOTMAR home and Open Information Licence page. Checked against the provider's documentation on Nov 5, 2026.

Access

• No account for public NOTMAR downloads covered by the CCG Open Information Licence.

Request

curl -I 'https://www.notmar.gc.ca/'

Format

HTML NOTMAR portal; Open Information Licence HTML on canada.ca.

Load into pandas and Parquet

Needs Python 3 with requests, pandas and pyarrow.

"""NOTMAR + Open Information Licence probe -> pandas -> Parquet."""
import pandas as pd
import requests

UA = {"User-Agent": "SignalLabCheck/1.0"}
rows = []
for url in [
    "https://www.notmar.gc.ca/",
    "https://www.canada.ca/en/canadian-coast-guard/corporate/publications/open-information-licence.html",
]:
    r = requests.get(url, headers=UA, timeout=60, allow_redirects=True)
    rows.append({"url": url, "status": r.status_code, "bytes": len(r.content), "final_url": r.url})
df = pd.DataFrame(rows)
df.to_parquet("notmar_probe.parquet", index=False)
print(df)

Run by us on 2026-11-05 (python 3 | pandas | pyarrow | requests). Result: notmar.gc.ca returned HTTP 200 on 2026-11-05; Open Information Licence page on canada.ca was verified via fetch the same day (worldwide royalty-free perpetual licence text).

Limits

• Not stated.

Quirks

• Keep attribution statement and official-publication integrity conditions when redistributing.
• Licence applies to the listed CCG publications, not every canada.ca page.

Terms and attribution

• CCG Open Information Licence v1.0: worldwide royalty-free perpetual use with attribution and integrity conditions.

Sources

• https://www.canada.ca/en/canadian-coast-guard/corporate/publications/open-information-licence.html: “The Licensor grants the Licencee a worldwide, royalty-free, perpetual, non-exclusive Licence to use the Information”
• https://www.canada.ca/en/canadian-coast-guard/corporate/publications/open-information-licence.html: “This licence applies only to the following Canadian Coast Guard publications”