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Official severity: Extreme
Tornado Watch for Effingham, GA; Screven, GA; Allendale, SC +7 more
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NWS coastal zone AMZ340
Charleston Harbor weather alerts
Marine alerts linked to this verified National Weather Service zone.
NWS feedSource freshLast successful check:
Current answer
Active alert check
No active alerts found
The latest successful NWS collection contained no active public alerts matched to Charleston Harbor. Conditions can change.
How matching works- Official zone ID
- AMZ340
- Zone type
- coastal
- State
- Marine or multi-state area
- Metadata verified
- Yes, from NWS
Context only
Recently ended alerts
Ended
Official severity: Severe
Special Marine Warning for Charleston Harbor; Coastal waters from South Santee River to Edisto Beach SC out 20 NM
Charleston Harbor, Coastal waters from South Santee River to Edisto Beach SC out 20 NM
Ended
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Zone matching is not a personal forecast
This page uses official NWS zone membership. For exact location matching, an alert must include official geometry or be linked to a verified zone geometry that contains the point.
How location matching works