St. Roch
Forecast
Marine Forecast
Issued 07:00 AM MDT 15 July 2025
Today Tonight and Wednesday.
Wind light increasing to north 15 knots this morning and to northwest 25 early this evening. Wind northwest 25 Wednesday.
Fog patches forming Wednesday afternoon.
Waves
Issued 07:00 AM MDT 15 July 2025
Today Tonight and Wednesday.
Over open water seas 1 metre building to 1 to 2 this
afternoon.
Extended Forecast
Issued 07:00 AM MDT 15 July 2025
Thursday
Wind north 20 knots diminishing to light in
the morning.
Friday
Wind light becoming northeast 15 knots late in
the day.
Saturday
Wind east 20 knots diminishing to
light.
Ice Forecast
Issued 10:00 AM EDT 15 July 2025 Today Tonight and Wednesday 1 tenth first-year ice except 9 tenths first-year ice along parts of
the eastern coast and in the extreme northern section.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 15 July 2025 Today Tonight and WednesdayIce Edge
Ice edge is outside the forecast region.Ice Coverage
1 tenth first-year ice except 9 tenths first-year ice along parts of
the eastern coast and in the extreme northern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 AM MDT 15 July 2025 Today Tonight and Wednesday At 1200 UTC Tuesday splitting ridge from 1019 mb high located from70N 140W to 70N 121W then to 77N 62W.
By 0000 UTC Thursday weakening ridge located from 81N 62W to
70N 114W.
By 0000 UTC Thursday ridge from 1021 mb high located from 70N 133W
to 71N 140W.
At 1200 UTC Tuesday low 1014 mb located at 69N 137W.
By 0000 UTC Thursday low 1012 mb located at 72N 115W.
At 1200 UTC Tuesday trough located from 67N 76W to 75N 73W.
By 0000 UTC Thursday trough located from 67N 81W to 73N 81W.
Arctic - Eastern Arctic Area
- Admiralty
- Arviat
- Baker
- Barrow
- Boothia
- Byam
- Central
- Central Brevoort - northern half
- Central Brevoort - southern half
- Clarence - northern half
- Clarence - southern half
- Coats
- Committee
- Cumberland
- East Baffin - northern half
- East Baffin - southern half
- East Brevoort
- East Clyde - northern half
- East Clyde - southern half
- East Davis - northern half
- East Davis - southern half
- East Foxe
- East Labrador Sea
- Eureka - southern half
- Frobisher Bay
- Hassel
- Igloolik
- Jones
- Kane - southern half
- Lancaster - eastern half
- Lancaster - western half
- Larsen
- Maclean
- Massey
- Maud
- McClintock
- Mid Labrador Coast
- Navy Board
- Northwest Labrador Sea - northern half
- Northwest Labrador Sea - southern half
- North Labrador Coast
- Norwegian
- Nottingham - eastern half
- Nottingham - western half
- Peary
- Peel
- Pond
- Prince Charles
- Puvirnituq - northern half
- Puvirnituq - southern half
- Queens
- Rae
- Rankin
- Regent
- Resolution - eastern half
- Resolution - western half
- Roes Welcome
- South Labrador Sea
- South Sverdrup
- South-central Hudson - eastern half
- St. Roch
- Ungava
- West Baffin - northern half
- West Baffin - southern half
- West Brevoort - northern half
- West Brevoort - southern half
- West Clyde - northern half
- West Clyde - southern half
- West Davis - northern half
- West Davis - southern half
- West Foxe
Another Region
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