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Severe weather warning for US waters: Special Marine Warning, Atlantic Waters of Puerto Rico AND USVI from 10 NM
Official warning from NWS San Juan PR for Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N; Coastal Waters of Northern Puerto Rico out 10 NM. Valid from 20 Oct 2026, 19:01 to 20 Oct 2026, 20:00 UTC.
Severe NAMMERT Assekuradeur GmbH
According to the issuing service, this warning has since expired.
An official warning as it stood when published, not updated afterwards.
- Area
- Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N; Coastal Waters of Northern Puerto Rico out 10 NM
- Warning
- Special Marine Warning
- Level
- Severe
- Valid from
- 20 Oct 2026, 19:01 UTC
- Valid until
- 20 Oct 2026, 20:00 UTC
- Region
- US waters
- Issued by
- NWS San Juan PR
What matters now
What to do now is on the weather warnings page: What matters now