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 wednesday 18 February 22:00 to friday 20 February 09:59
Gale and storm warning
North Utsire
North Utsire: South gale 8 from Friday 00utc
Viking
Viking: South gale 8 from Friday 03utc
East-Tampen
East-Tampen: South gale 8 from Thursday 21utc until Friday 06utc and south severe gale 9 from Friday 07utc
Storegga
Storegga: Southwest gale 8 from Thursday 09utc until Friday 02utc and south severe gale 9 from Friday 03utc
Froeya Bank
Froeya Bank: Southwest gale 8 from Thursday 09utc until Friday 00utc and southwest severe gale 9 from Friday 01utc
Halten Bank
Halten Bank: Southwest gale 8 from Thursday 17utc until Friday 06utc and southwest severe gale 9 from Friday 07utc
Storegga-Halten Bank to Greenwich Meridian
Storegga-Halten Bank to Greenwich Meridian: Southwest gale 8 from Thursday 14utc until Friday 05utc and southwest severe gale 9 from Friday 06utc
Sklinna Bank
Sklinna Bank: Southwest gale 8 from Friday 09utc
North Cape Bank
North Cape Bank: East gale 8 Thursday 08utc
North Bank
North Bank: East gale 8 from Thursday 03utc until 07utc
Kildin Bank
Kildin Bank: East gale 8 from Thursday 00utc until 02utc
D2
D2: Northeast gale 8 from Wednesday 22utc until Thursday 01utc
E2
E2: East gale 8 Wednesday 22utc
F3
F3: Southwest gale 8 Friday 10utc
Synoptic situation
Low 986 hPa, 68 N 03 W, moving S, expected 995 hPa, 66 N 05 W by Thursday 18 utc.
Low 987 hPa, 55 N 13 W, moving NE, expected 997 hPa, 58 N 09 W by Thursday 18 utc.
Low 986 hPa, 49 N 04 W, moving E, expected 1003 hPa, 48 N 05 E by Thursday 18 utc.
High 1030 hPa, 79 N 25 E, moving SE, expected 1030 hPa, 77 N 42 E by Thursday 18 utc.
Ocean forecast
Inner Skagerrak
Variable 4. Slight. Dry and good.
Outer Skagerrak
Variable 4. Slight, occasionally rough. Dry and good.
Fisher
Southeast 6, increasing to south near gale 7. Rough. Dry and good.
Forties
Southeast near gale 7. Rough, occasionally very rough. Dry and good, becoming occasional rain with moderate.
South Utsire
Southeast 5, increasing to south near gale 7. Moderate or rough, occasionally very rough. Dry and good.
North Utsire
South 4, increasing to gale 8. Rough or very rough. Dry and good.
Viking
South 6, increasing to near gale 7, occasionally gale 8. Rough or very rough. Dry and good, becoming occasional rain with moderate.
East-Tampen
Southwest 6, increasing to south gale 8, occasionally south severe gale 9. Rough or very rough, occasionally high. Rain with moderate.
Storegga
Southwest near gale 7, increasing to southwest gale 8, occasionally south severe gale 9. Rough or very rough, occasionally high. Rain with moderate.
Froeya Bank
Southwest gale 8, occasionally severe gale 9. Rough to high. Rain with moderate. Risk of fog.
Halten Bank
Variable 5, increasing to southwest gale 8, occasionally severe gale 9. Rough or very rough, occasionally high. Snow with poor, becoming rain with moderate. Risk of fog.
Storegga-Halten Bank to Greenwich Meridian
Southwest near gale 7, increasing to gale 8, occasionally severe gale 9. Rough or very rough, occasionally high. Rain with moderate. Risk of fog.
Sklinna Bank
Variable 5, occasionally southwest gale 8. Rough, occasionally very rough. Snow with poor, becoming rain with moderate. Risk of fog.
Traena Bank
Southeast 6. Rough. Snow with poor, becoming rain with moderate.
Roest Bank
Variable 6. Rough. Snow with poor.
Outer Vestfjord
Variable 5. Moderate or rough. Snow with poor.
Vesteraalsbank
Variable 5. Moderate or rough. Snow with poor, becoming dry and good.
Banks outside Troms
Variable 5. Rough. Snow with poor.
Tromsoeflaket
Variable 6, occasionally east near gale 7. Rough, occasionally very rough. Snow with poor.
Hjelmsoey Bank
Variable near gale 7, decreasing to east 5. Rough, occasionally very rough. Snow with poor. Risk of moderate icing.
North Cape Bank
Variable near gale 7, occasionally east gale 8, becoming variable 5. Rough. Snow with poor. Risk of moderate icing.
North Bank
East near gale 7, occasionally gale 8, becoming variable 6. Rough. Snow with poor. Risk of moderate icing.
Kildin Bank
Southeast near gale 7, occasionally east gale 8, becoming south 5. Moderate or rough. Snow with poor. Risk of moderate icing.
BnS
South 5, occasionally southwest near gale 7. Slight. Snow with poor, becoming dry and good. Risk of fog. Risk of moderate icing.
A3
Southeast 5, increasing to south near gale 7. Moderate or rough. Snow with poor. Risk of moderate icing.
A4
Variable 5, occasionally south near gale 7. Slight or moderate. Dry and good. Risk of moderate icing.
B2
Southeast 5. Moderate, occasionally rough. Snow with poor. Risk of moderate icing.
B3
Southeast 6. Moderate or rough. Snow with poor. Risk of moderate icing.
B4
Variable 6, occasionally east near gale 7. Moderate or rough. Snow with poor. Risk of moderate icing.
B5
East 6, occasionally near gale 7. Moderate or rough. Snow with poor. Risk of moderate icing.
C2
Variable 5. Rough, occasionally very rough. Snow with poor. Risk of moderate icing.
C3
East 6, occasionally near gale 7. Rough, occasionally very rough. Snow with poor. Risk of moderate icing.
C4
East near gale 7, decreasing to variable 6. Rough. Snow with poor.
C5
East near gale 7, becoming variable. Rough. Snow with poor. Risk of moderate icing.
D2
East near gale 7. Rough or very rough. Snow with poor.
D3
East near gale 7. Rough or very rough. Snow with poor.
Deep D4
East near gale 7, decreasing to 6. Rough. Snow with poor.
E2
Variable near gale 7, becoming northeast, occasionally east gale 8. Very rough. Rain with moderate, becoming snow with poor.
E3
Variable near gale 7, decreasing to northeast 6. Rough or very rough. Rain with moderate, becoming snow with poor. Risk of fog.
Deep E4
Variable 6, occasionally east near gale 7. Rough. Snow with poor.
F2
Variable 5, occasionally southwest near gale 7. Rough, occasionally very rough. Snow with poor.
F3
Variable 5, occasionally southwest gale 8. Rough, occasionally high. Rain with moderate. Risk of fog.