Larsen

Forecast

Marine Forecast

Issued 05:30 AM EDT 23 August 2017

Today Tonight and Thursday.

Wind light increasing to south 10 to 15 knots early this afternoon then backing to southeast 15 to 20 Thursday evening.

Chance of showers today and this evening.

Waves

Issued 05:30 AM EDT 23 August 2017
Today Tonight and Thursday. Over open water seas 1 metre.

Extended Forecast

Issued 05:30 AM EDT 23 August 2017
Friday Wind southeast 25 knots increasing to southeast 30 in the morning then diminishing to south 20 in the afternoon.
Saturday Wind northwest 20 knots.
Sunday Wind northeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 23 August 2017 Today Tonight and Thursday 3 tenths of first-year ice including 1 tenth of old ice except 8 tenths of first-year ice including 3 tenths of old ice in the northern section. 

[ Canadian Ice Service ]

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Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Kugluktuk Airport Hat Island Cambridge Bay Airport Cape Peel West Stefansson Island Ulukhaktok Airport Sachs Harbour Airport Thomsen River Egg Island Fort Chipewyan Airport Stony Rapids Airport Liverpool Bay Little Chicago Lutselke Airport Storm Hills Croker River Prairie River Uranium City Cape Providence Tuktoyaktuk Bathurst Inlet Gateshead Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 23 August 2017 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 7040N 14100W to 7115N 12900W to Banks
Island near 7200N 12555W. Sea ice north of the ice edge.

Second ice edge estimated from Banks Island near 7115N 12230W to
7100N 12050W to Victoria Island near 7140N 11900W. Sea ice north of
the ice edge.

Third ice edge estimated from Victoria Island near 6900N 10150W to
6835N 10020W to King William Island near 6855N 9920W. Sea ice north
of the ice edge.

Fourth ice edge estimated from King William Island near 6900N 9550W
to Boothia Peninsula near 6935N 9450W. Sea ice northwest of the ice
edge.

Ice Coverage

3 tenths of first-year ice including 1 tenth of old ice except 8
tenths of first-year ice including 3 tenths of old ice in the
northern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 23 August 2017 Today Tonight and Thursday At 1200 UTC Wednesday trough located from 65N 126W to 74N 72W.
By 0000 UTC Friday weakening trough from 997 mb low located from
66N 122W to 70N 73W.

At 1200 UTC Wednesday ridge from 1021 mb high located over 60N
98W extending northward.
By 0000 UTC Friday ridge from 1022 mb high located over 57N 86W
extending northward.

At 1200 UTC Wednesday dissipating high 1015 mb located at 78N 104W.

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