Arctic Sea Route Charts

Example of the Arctic sea route chart

Northwest Passage (NWP) Chart
Northern Sea Route (NSR) Chart
Arctic Shipping Routes (ASR) Chart

Description: A graphical representation of the ice edge and area of 40% or greater ice concentration for the NWP and the NSR; a write-up of ice conditions is included in the product

Coverage Area:
NWP: 170E to 60W north of 60N
NSR: 40E to 160W north of 70N
ASR: entire Arctic region

Coverage Area: Arctic and subarctic waters

Format: PNG

Periodicity: Weekly on Friday; approximately from late July to mid-October

Dissemination: USNIC website, CTG 80.7 Portal, NEP-Oc IC Portal

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