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 28 September 22:00 to friday 29 September 21:59
Gale and storm warning
B4
B4: East gale 8 from Thursday 22utc until Friday 01utc
F3
F3: Southwest occasionally gale 8 from Friday 02utc until 06utc
Synoptic situation
Low 997 hPa, 75 N 07 E, almost stationary and filling.
Low 991 hPa, 64 N 02 E, moving NE, expected 992 hPa, 69 N 11 E Friday 18 utc.
Low 983 hPa, 59 N 14 W, moving NE, expected 995 hPa, 62 N 01 E Friday 18 utc.
High 1021 hPa, 73 N 48 E, moving SE, expected 1025 hPa, 61 N 67 E Friday 18 utc.
Ocean forecast
Inner Skagerrak
Southwest 5. Moderate. Rain with moderate.
Outer Skagerrak
Variable 5. Moderate. Rain with moderate.
Fisher
Variable 5. Moderate or rough. Rain with moderate.
Forties
Southwest 6, increasing to near gale 7. Rough. Rain with moderate, becoming dry and good.
South Utsire
South 5. Moderate or rough. Dry and good.
North Utsire
South 6, occasionally southwest near gale 7. Rough. Occasional rain with moderate.
Viking
South 6, increasing to southwest near gale 7. Rough. Rain with moderate.
East-Tampen
South 6, increasing to southwest near gale 7. Rough. Rain with moderate.
Storegga
South 6, occasionally near gale 7. Rough, occasionally very rough. Rain with moderate.
Froeya Bank
South 5, occasionally southwest near gale 7. Moderate or rough, occasionally very rough. Dry and good, becoming rain with moderate.
Halten Bank
Southwest 5, occasionally near gale 7. Moderate or rough, occasionally very rough. Dry and good, becoming rain with moderate.
Storegga-Halten Bank to Greenwich Meridian
Southwest 6, occasionally near gale 7. Rough, occasionally very rough. Rain with moderate.
Sklinna Bank
South 4. Moderate or rough. Rain with moderate.
Traena Bank
Southwest 6. Rough. Rain with moderate.
Roest Bank
Southwest 6, occasionally near gale 7. Moderate or rough, occasionally very rough. Rain with moderate.
Outer Vestfjord
Southwest 6, occasionally near gale 7. Moderate or rough. Rain with moderate, becoming dry and good.
Vesteraalsbank
Southwest 6. Moderate or rough. Rain with moderate.
Banks outside Troms
Variable 4. Moderate. Rain with moderate.
Tromsoeflaket
Variable 4. Moderate, occasionally rough. Dry and good, becoming rain with moderate. Risk of fog.
Hjelmsoey Bank
Variable 4. Moderate, occasionally rough. Dry and good, becoming rain with moderate. Risk of fog.
North Cape Bank
South 5. Moderate. Dry and good.
North Bank
South 5. Moderate. Rain with moderate.
Kildin Bank
South 4. Moderate. Rain with moderate.
BnS
East 6, increasing to northeast near gale 7. Slight or moderate, occasionally rough. Snow with poor.
A1
North 5. Snow with poor.
A2
North 6, occasionally near gale 7. Dry and good. Risk of moderate icing.
A3
Northeast near gale 7. Rough. Occasional snow with poor.
A4
Northeast near gale 7. Moderate, occasionally rough. Snow with poor.
A5
East near gale 7, decreasing to variable 6. Rough. Snow with poor. Risk of fog.
B1
North 6. Moderate or rough. Snow with poor. Risk of moderate icing.
B2
North 6, occasionally near gale 7. Rough. Dry and good. Risk of moderate icing.
B3
North near gale 7. Rough, occasionally very rough. Rain with moderate. Risk of fog.
B4
Northeast 6, occasionally east gale 8. Rough, occasionally very rough. Rain with moderate. Risk of fog.
B5
Variable near gale 7, decreasing to 4. Moderate or rough. Rain with moderate. Risk of fog.
C2
North 6. Rough. Occasional rain with moderate, becoming dry and good.
C3
North 6, occasionally near gale 7. Rough. Occasional rain with moderate, becoming dry and good. Risk of fog.
C4
Variable 4. Moderate or rough. Rain with moderate.
C5
Variable 4. Moderate or rough. Rain with moderate. Risk of fog.
D2
North 6, occasionally northeast near gale 7. Rough. Occasional rain with moderate. Risk of fog.
D3
Northeast 6. Moderate or rough. Rain with moderate.
Deep D4
Northeast 5. Moderate, occasionally rough. Rain with moderate. Risk of fog.
E2
Northeast 5. Moderate or rough. Rain with moderate.
E3
Variable 6, occasionally southwest near gale 7. Moderate or rough, occasionally very rough. Rain with moderate. Risk of fog.
Deep E4
Variable 4. Moderate or rough. Rain with moderate. Risk of fog.
F2
Northeast 6. Rough. Rain with moderate. Risk of fog.
F3
Southwest near gale 7, decreasing to variable 6. Rough or very rough. Rain with moderate. Risk of fog.