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 tuesday 25 March 22:00 to thursday 27 March 09:59
Gale and storm warning
East-Tampen
East-Tampen: South gale 8 from Wednesday 22utc until Thursday 00utc
Storegga
Storegga: Southwest severe gale 9 from Wednesday 21utc until Thursday 03utc
Froeya Bank
Froeya Bank: Southwest severe gale 9 from Wednesday 22utc until Thursday 03utc
Halten Bank
Halten Bank: Southwest gale 8 from Thursday 01utc until 03utc
Storegga-Halten Bank to Greenwich Meridian
Storegga-Halten Bank to Greenwich Meridian: Southwest gale 8 from Wednesday 23utc until Thursday 00utc
Traena Bank
Traena Bank: Southwest gale 8 Thursday 07utc
Roest Bank
Roest Bank: Southwest gale 8 from Thursday 08utc
Outer Vestfjord
Outer Vestfjord: Southwest gale 8 from Thursday 09utc
Hjelmsoey Bank
Hjelmsoey Bank: Northwest gale 8 from Tuesday 22utc until 23utc
North Cape Bank
North Cape Bank: Northwest gale 8 from Tuesday 22utc until Wednesday 03utc
North Bank
North Bank: Northwest gale 8 from Tuesday 22utc until Wednesday 08utc
Kildin Bank
Kildin Bank: West gale 8 from Tuesday 22utc until Wednesday 10utc
F2
F2: Northeast gale 8 from Thursday 05utc
F3
F3: West gale 8 from Thursday 07utc until 08utc
Icing on ships
A3
A3: Risk of severe icing from Wednesday 08utc until 19utc
B2
B2: Risk of severe icing from Tuesday 22utc
C2
C2: Risk of severe icing from Tuesday 22utc
Synoptic situation
Low 979 hPa, 72 N 33 E, moving NE expected 980 hPa at 75 N 38 E Wednesday 18 utc.
Low 1000 hPa, 68 N 09 W, filling.
Low 998 hPa, 58 N 29 W, moving NE expected 983 hPa at 64 N 26 W Wednesday 18 utc.
Ocean forecast
Inner Skagerrak
Southwest 5. Slight. Dry and good. Risk of fog.
Outer Skagerrak
Southwest 5. Slight or moderate. Dry and good.
Fisher
Southwest 5. Moderate, occasionally rough. Dry and good. Risk of fog.
Forties
Southwest 5. Moderate, occasionally rough. Dry and good, becoming rain with moderate. Risk of fog.
South Utsire
Southwest 4. Moderate, occasionally rough. Dry and good, becoming rain with moderate.
North Utsire
Southwest 4. Moderate, occasionally rough. Rain with moderate.
Viking
Southwest 6, occasionally near gale 7. Moderate or rough. Rain with moderate.
East-Tampen
Southwest 6, occasionally south gale 8. Rough or very rough. Rain with moderate.
Storegga
Southwest 6, occasionally severe gale 9. Rough or very rough. Rain with moderate.
Froeya Bank
Southwest 6, occasionally severe gale 9. Rough or very rough. Rain with moderate.
Halten Bank
West 5, increasing to southwest near gale 7, occasionally southwest gale 8. Rough or very rough. Rain with moderate.
Storegga-Halten Bank to Greenwich Meridian
Southwest 6, increasing to near gale 7, occasionally gale 8. Rough or very rough. Rain with moderate. Risk of fog.
Sklinna Bank
Southwest 5, increasing to near gale 7. Rough, occasionally very rough. Rain with moderate.
Traena Bank
Southwest 6, occasionally gale 8. Rough, occasionally very rough. Rain with moderate.
Roest Bank
Variable 6, occasionally southwest gale 8. Moderate or rough, occasionally very rough. Rain with moderate.
Outer Vestfjord
Variable 5, occasionally southwest gale 8. Moderate, occasionally rough. Snow with poor.
Vesteraalsbank
Variable 4. Moderate or rough. Snow with poor.
Banks outside Troms
West 5. Moderate or rough. Snow with poor.
Tromsoeflaket
Variable 6, occasionally northwest near gale 7. Moderate or rough, occasionally very rough. Snow with poor.
Hjelmsoey Bank
West 6, occasionally northwest gale 8. Moderate or rough, occasionally very rough. Snow with poor.
North Cape Bank
West 6, occasionally northwest gale 8. Moderate or rough, occasionally very rough. Snow with poor.
North Bank
Northwest gale 8, decreasing to 6. Rough or very rough. Snow with poor.
Kildin Bank
West gale 8, decreasing to 5. Very rough to moderate. Snow with poor.
YP
Risk of moderate icing.
LiD
Slight. Risk of moderate icing.
BnS
Northeast 6. Slight. Snow with poor. Risk of moderate icing.
A3
North near gale 7, decreasing to 6. Moderate. Snow with poor. Risk of severe icing.
A4
North 6. Slight. Snow with poor. Risk of moderate icing.
B2
Northwest 6. Moderate or rough. Snow with poor. Risk of severe icing.
B3
Northwest near gale 7, decreasing to variable 6. Moderate or rough. Snow with poor. Risk of moderate icing.
B4
Northwest 6, occasionally near gale 7. Moderate, occasionally rough. Snow with poor.
B5
Northwest 5. Slight or moderate. Snow with poor. Risk of fog.
C2
Northwest 6, occasionally north near gale 7. Rough. Snow with poor. Risk of severe icing.
C3
Northwest 6. Rough. Snow with poor. Risk of moderate icing.
C4
Northwest 6, increasing to near gale 7. Rough. Snow with poor.
C5
Northwest near gale 7, decreasing to variable 6. Rough, occasionally very rough. Snow with poor.
D2
North 6. Moderate or rough. Dry and good, becoming occasional snow with poor. Risk of moderate icing.
D3
Northwest 5. Moderate, occasionally rough. Snow with poor. Risk of moderate icing.
Deep D4
Northwest 6. Moderate or rough. Snow with poor.
E2
Northeast near gale 7. Rough, occasionally very rough. Snow with poor. Risk of moderate icing.
E3
Variable 6. Moderate or rough. Snow with poor.
Deep E4
Variable 4. Moderate or rough. Snow with poor.
F2
Variable 6, increasing to variable near gale 7, occasionally northeast gale 8. Rough, occasionally high. Snow with poor. Risk of fog.
F3
Variable 6, increasing to variable near gale 7, occasionally west gale 8. Rough, occasionally very rough. Rain with moderate.