Here you can read the sea forecast for the areas within Norway's responsibility.
The sea forecasts covering areas from 56° north latitude to the Arctic ice edge are automatically generated two times a day. Gale and storm warnings are checked by a meteorologist and issued for sea areas where gale force 8 or stronger is expected.
The relation between wave height and sea state can be found here: https://snl.no/sjøgang.
You can also view the subjective analysis chart, forecast chart, and satellite images, to get a better understanding of the weather developments.
Forecast for thursday 4 September 10:00 to friday 5 September 21:59
Gale and storm warning
Storegga
Storegga: South gale 8 from Thursday 11utc until 14utc
Synoptic situation
Low 1000 hPa, 78 N 04 W, almost stationary and filling.
Low 987 hPa, 63 N 02 E, moving N, expected 995 hPa, 70 N 00 W by Friday 06 utc.
High 1024 hPa, 66 N 56 E, almost stationary.
No change.
Ocean forecast
Inner Skagerrak
Variable 4. Slight or moderate. Dry and good, becoming rain with moderate.
Outer Skagerrak
Variable 4. Slight or moderate. Dry and good, becoming rain with moderate.
Fisher
Variable 4. Slight or moderate. Rain with moderate.
Forties
Variable 4. Slight or moderate. Rain with moderate, becoming dry and good.
South Utsire
Variable 4. Slight or moderate. Rain with moderate, becoming dry and good.
North Utsire
Variable 4. Slight or moderate, occasionally rough. Rain with moderate.
Viking
Variable 4. Slight or moderate, occasionally rough. Rain with moderate.
East-Tampen
Variable 4, occasionally south gale 8. Moderate, occasionally rough. Dry and good, becoming rain with moderate.
Storegga
Variable 4, occasionally south gale 8. Very rough to slight. Dry and good, becoming rain with moderate.
Froeya Bank
Southwest near gale 7, occasionally gale 8, becoming variable 4. Very rough to slight. Dry and good, becoming rain with moderate.
Halten Bank
Southwest near gale 7, decreasing to variable 4. Moderate or rough, occasionally very rough. Dry and good.
Storegga-Halten Bank to Greenwich Meridian
Southwest gale 8, decreasing to 5. Moderate or rough, occasionally very rough. Rain with moderate. Risk of fog.
Sklinna Bank
Variable 4. Moderate, occasionally rough. Rain with moderate, becoming dry and good.
Traena Bank
Southeast 5, occasionally southwest near gale 7. Moderate, occasionally rough. Rain with moderate, becoming dry and good.
Roest Bank
Southeast 5, occasionally southwest gale 8. Moderate, occasionally very rough. Rain with moderate, becoming dry and good.
Outer Vestfjord
Southeast 5, occasionally southwest near gale 7. Slight or moderate, occasionally rough. Rain with moderate, becoming dry and good.
Vesteraalsbank
Southeast 5, occasionally southwest gale 8, becoming southwest near gale 7. Slight to rough, occasionally very rough. Rain with moderate, becoming dry and good.
Banks outside Troms
South 5. Slight to rough. Rain with moderate, becoming dry and good.
Tromsoeflaket
Variable 4, occasionally southwest near gale 7. Slight to very rough. Occasional rain with moderate.
Hjelmsoey Bank
Variable 4. Slight to rough. Dry and good, becoming rain with moderate.
North Cape Bank
Variable 4. Slight. Dry and good, becoming occasional rain with moderate.
North Bank
South 5. Slight. Dry and good, becoming rain with moderate.
Kildin Bank
Southwest 5. Slight. Occasional rain with moderate, becoming dry and good.
DWH
North 5. Slight. Snow with poor.
BWH
North 5. Slight. Dry and good, becoming snow with poor.
NB
Northeast 5. Slight. Snow with poor. Risk of fog.
NBB
North near gale 7. Moderate or rough. Snow with poor.
LeD
North 6, increasing to near gale 7. Slight or moderate. Snow with poor. Risk of fog.
YP
Variable 4. Moderate. Snow with poor. Risk of fog.
LiD
Northeast 5. Slight. Snow with poor. Risk of fog.
BnS
South 5. Slight. Rain with moderate. Risk of fog.
A1
North 6, occasionally near gale 7. Moderate or rough. Snow with poor.
A2
North near gale 7. Moderate or rough. Snow with poor. Risk of fog.
A3
Variable 4. Moderate. Rain with moderate. Risk of fog.
A4
Variable 5. Slight or moderate. Rain with moderate. Risk of fog.
A5
Variable 5. Slight. Rain with moderate. Risk of fog.
B1
North 6, occasionally near gale 7. Moderate or rough. Occasional snow with poor.
B2
North 5. Moderate. Rain with moderate. Risk of fog.
B3
Northeast 5. Moderate. Rain with moderate. Risk of fog.
B4
East near gale 7, decreasing to variable 6. Moderate, occasionally rough. Rain with moderate. Risk of fog.
B5
Variable 6. Slight or moderate. Rain with moderate. Risk of fog.
C2
North 5. Moderate, occasionally rough. Rain with moderate. Risk of fog.
C3
Northeast 5, occasionally southwest near gale 7. Moderate, occasionally very rough. Rain with moderate. Risk of fog.
C4
Variable 4, increasing to southwest near gale 7. Moderate to very rough. Rain with moderate. Risk of fog.
C5
Southwest 6. Moderate or rough. Rain with moderate. Risk of fog.
D2
North 6. Slight or moderate. Rain with moderate. Risk of fog.
D3
Variable 4, increasing to southwest near gale 7. Slight to very rough. Rain with moderate. Risk of fog.
Deep D4
Variable 4, increasing to southwest near gale 7. Slight to very rough. Rain with moderate. Risk of fog.
E2
Variable 5. Slight or moderate. Rain with moderate. Risk of fog.
E3
Variable 6, increasing to southwest gale 8. Slight to very rough. Rain with moderate. Risk of fog.
Deep E4
South 5, increasing to southwest gale 8. Slight to very rough. Rain with moderate, becoming dry and good.
F2
Variable near gale 7, decreasing to south 5. Moderate or rough. Rain with moderate, becoming dry and good.
F3
Southwest gale 8, decreasing to 5. Very rough to moderate. Rain with moderate. Risk of fog.