Wind Wave Warning Change
K
Issued by KMA
⏳ In force until Sun 18 Oct, 18:00 📍 Outer offshore waters of the mid-West Sea (approximate) 🕑 2 h ago
(1) Wind Wave Warning Change : 2026-10-18T04:00:00+09:00 Wind of 21m/s or more sustains for over 3 hours at sea or significant wave height is expected to be over 5m.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeverityModerate
⏱
UrgencyExpected
❓
CertaintyObserved
EventWind Wave Warning Change
Response typeNot supplied
CategoryMet
Affected areaOuter offshore waters of the mid-West Sea
Issuing authorityKMA
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-18T03:00:00+09:00
Effective2026-10-18T03:00:00+09:00
Onset2026-10-18T04:00:00+09:00
Expires2026-10-19T00:00:00+09:00
📋 Official instructions
No official instructions supplied with this report.📄 Message details
Alert identifierKR.W2610068_202610180300_WWN_68_EN
Message typeUpdate
Senderwebmasterkma@korea.kr
ScopePublic
CAP statusActual
Related messagesKR.W2610065_202610171600_WWA_65_EN
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Stay aware of your surroundings in this area.
- Follow official updates from the police and local authorities.
- In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.
📰 Story summary
From the report shown in the feed:
- (1) Wind Wave Warning Change : 2026-10-18T04:00:00+09:00 Wind of 21m/s or more sustains for over 3 hours at sea or significant wave height is expected to be over 5m.
ⓘ News summary · read the original report for full context.
📰 More news
- Wind Wave AdvisoryWind Wave AdvisoryInner offshore waters of the south-eastern sea of Jeju-do ·
- StrongWind AdvisoryStrongWind AdvisoryYeonpyeongdo and Udo; Ongjin ·
- StrongWind Warning ChangeStrongWind Warning ChangeHeuksando and Hongdo ·