First published 9/25/2026, 2:47:15 PM · Last updated 9/27/2026, 6:48:04 PM

Swell Surge WARNING for the coast of ALLEPPEY ALAPPUZHA, BEYPORE, COCHIN, KANNUR, KASARAGOD, QUILON, TRIVANDRUM, VADANAPPALLY, VAKKAD. Swell waves in the range of 17-24 sec period with 1.0-1.5 m height are forecasted during 2:30 hours on 26-9-2026 to 2:30 hours on 28-9-2026.

INCOIS issued a swell surge warning affecting multiple coastal zones in Kerala, forecasting long-period swell waves of about 1.0–1.5 m and 17–24 s period. The advisory specifies the window from 02:30 on 26-9-2026 to 02:30 on 28-9-2026 and restricts small-vessel and beach activities.

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The warning calls for immediate suspension of small-vessel operations and beach/nearshore activities, posing immediate safety concerns for coastal users.

Location

Sources

Swell Surge WARNING for the coast of ALLEPPEY ALAPPUZHA, BEYPORE, COCHIN, KANNUR, KASARAGOD, QUILON, TRIVANDRUM, VADANAPPALLY, VAKKAD. Swell waves in the range of 17-24 sec period with 1.0-1.5 m height are forecasted during 2:30 hours on 26-9-2026 to 2:30 hours on 28-9-2026.

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