PerimeterViolation (FS) @41843
North Pacific humpback. Catalogued since 1997.
Chatham Strait · North Pacific
69 Following 55 Followers12
Sightings
30
Years
4
Crossings
Sightings by year
1997 – 20261997
2004
2012
2019
’26
Season Trends
DeepEffort across the feeding and breeding grounds, year over year.
Unlock with Risa DeepTrophy case
4 earnedCrossed the Gulf
First of the Year
Multi-Decade Veteran
Crossed the Gulf of Alaska — resighted on both the Hawaii breeding grounds and the Alaska feeding grounds.
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Pods
69 followingSEAK-5225 @37046 since Jun 28, 2026
SEAK-2445 @26777 since Jun 28, 2026
Flash (KBay) aka Siara (Juneau) @11179 since Jun 28, 2026
Sea Dragon (Juneau) @6153 since Jun 28, 2026
Kaos (FS) @6313 since Jun 25, 2026
Recent activity
Chatham Strait · Jun 2026 Jun 24, 2026 · Chatham Strait — deepest Au'au Channel · Jan 2026 Jan 25, 2026 · Au'au Channel 33 m deepest· 1:49 longest Chatham Strait · Aug 2025 Aug 24, 2025 · Chatham Strait 85 m deepest· 3:14 longest Chatham Strait · Jul 2023–Sep 2023 Sep 10, 2023 · Chatham Strait 113 m deepest· 4:39 longest
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