St. Roch
Forecast
Marine Forecast
Issued 07:00 PM MDT 09 July 2025
Tonight and Thursday.
Wind light increasing to north 15 knots early Thursday morning and to north 20 late Thursday morning. Wind backing to northwest 25 Thursday afternoon.
Showers. Risk of thunderstorms this evening and Thursday morning and afternoon. Fog patches dissipating Thursday morning.
Waves
Issued 07:00 PM MDT 09 July 2025
Tonight and Thursday.
Over open water seas 1 metre or less.
Extended Forecast
Issued 07:00 PM MDT 09 July 2025
Friday
Wind northwest 20 knots backing to southwest 15
in the morning then increasing to south 25 late in the day.
Saturday
Wind south 20 knots veering to west
20.
Sunday
Wind southwest 20 knots.
Ice Forecast
Issued 10:00 AM EDT 9 July 2025 Today Tonight and Thursday 3 tenths first-year ice except 7 tenths first-year ice in the
northeastern section. Consolidated first-year ice along the Boothia
Peninsula and King William Island coasts and in the extreme northern
section.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 9 July 2025 Today Tonight and ThursdayIce Edge
Ice edge is outside the forecast region.Ice Coverage
3 tenths first-year ice except 7 tenths first-year ice in the
northeastern section. Consolidated first-year ice along the Boothia
Peninsula and King William Island coasts and in the extreme northern
section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM MDT 9 July 2025 Tonight and Thursday At 0000 UTC Thursday departing ridge located from 70N 139W to67N 125W.
At 0000 UTC Friday deepening low 977 mb located at 69N 84W.
At 0000 UTC Friday deepening low 980 mb located at 82N 125W.
Arctic - Western Arctic Area
- Admiralty
- Alert
- Amundsen
- Axel Heiberg
- Baillie
- Ballantyne
- Banks
- Barrow
- Bartlett
- Bathurst
- Boothia
- Borden
- Brock
- Byam
- Camsell Bend mile 290 to Tulita mile 512
- Clarence - northern half
- Clarence - southern half
- Committee
- Coronation
- CT4
- CU4
- CV4
- CV5
- CW3
- CW4
- CW5
- CX4
- Dease
- Dolphin
- East Baffin - northern half
- Ellef Ringnes
- Ellesmere
- Eureka - northern half
- Eureka - southern half
- Fitzwilliam
- Fort Good Hope mile 684 to Point Separation mile 913
- Greely
- Griper
- Gustaf
- Hassel
- Hazen
- Igloolik
- Jones - eastern half
- Jones - western half
- Kane - northern half
- Kane - southern half
- Lancaster - eastern half
- Lancaster - western half
- Larsen
- Liddon
- Mackenzie
- Maclean
- Massey
- Maud
- McClintock
- McClure
- Melville
- Nansen
- Navy Board
- Northwest Beaufort
- North Mackenzie
- North Prince Patrick
- North Sverdrup
- North Tuktoyaktuk
- Norwegian
- Peary
- Peel
- Point Separation mile 913 to Kittigazuit Bay mile 1081
- Pond
- Prince Alfred
- Prince of Wales
- Prince Patrick
- Queens
- Rae
- Regent
- Robeson - northern half
- Robeson - southern half
- Roes Welcome
- South Axel Heiberg
- South Ellef Ringnes
- South Prince Patrick
- South Sverdrup
- St. Roch
- Tuktoyaktuk - northern half
- Tuktoyaktuk - southern half
- Tulita mile 512 to Fort Good Hope mile 684
- Ulukhaktok
- Ward Hunt
- West Baffin - northern half
- West Baffin - southern half
- West Foxe
- West Prince Alfred
- Wilkins
- Yukon Coast
Another Region
- Date modified: