Larsen

Forecast

Marine Forecast

Issued 05:30 AM EDT 22 August 2017

Today Tonight and Wednesday.

Wind southwest 10 to 15 knots becoming light Wednesday afternoon.

Chance of showers late this evening overnight and Wednesday.

Waves

Issued 05:30 AM EDT 22 August 2017
Today Tonight and Wednesday. Over open water seas 1 metre.

Extended Forecast

Issued 05:30 AM EDT 22 August 2017
Thursday Wind light.
Friday Wind southeast 15 knots increasing to southeast 25.
Saturday Wind south 25 knots.

Ice Forecast

Issued 10:00 AM EDT 22 August 2017 Today Tonight and Wednesday 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 22 August 2017 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from 7025N 14100W to 7115N 12905W to Banks
Island near 7200N 12555W. Sea ice north of the ice edge.

Second ice edge estimated from Banks Island near 7120N 12200W 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 22 August 2017 Today Tonight and Wednesday At 1200 UTC Tuesday deepening trough located from 66N 130W to
75N 67W.
By 0000 UTC Thursday weakening trough from 1008 mb low located
from 65N 124W to 69N 73W.

At 1200 UTC Tuesday ridge from 1021 mb high located over 63N 99W
extending northward.
By 0000 UTC Thursday ridge from 1020 mb high located over 56N 96W
extending northward.

At 1200 UTC Tuesday dissipating high 1021 mb located at 77N 120W.

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