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 saturday 20 December 22:00 to monday 22 December 09:59
Gale and storm warning
YP
YP: South gale 8 from Sunday 20utc until 23utc
LiD
LiD: South gale 8 from Sunday 22utc until Monday 00utc
BnS
BnS: South gale 8 from Sunday 21utc until Monday 00utc
A3
A3: South gale 8 from Sunday 20utc until 23utc
A4
A4: South gale 8 from Sunday 20utc until Monday 00utc
B3
B3: Southwest gale 8 from Monday 07utc
C3
C3: West gale 8 Monday 10utc
Synoptic situation
Low 0991 hPa, 68 N 39 E, moving NE expected 0993 hPa at 63 N 50 E Sunday 18 utc.
High 1018 hPa, 61 N 07 E, almost stationary expected 1028 hPa at 61 N 09 E Sunday 18 utc.
Ocean forecast
Inner Skagerrak
Variable 4. Slight. Dry and good. Risk of fog.
Outer Skagerrak
East 5. Slight. Dry and good. Risk of fog.
Fisher
East 6. Slight or moderate, occasionally rough. Rain with moderate, becoming dry and good.
Forties
Southeast 6, occasionally near gale 7. Moderate or rough. Rain with moderate.
South Utsire
Southeast 6, occasionally near gale 7. Moderate or rough. Dry and good.
North Utsire
Variable 4. Moderate. Rain with moderate, becoming dry and good.
Viking
Southeast 5. Moderate or rough. Rain with moderate, becoming dry and good.
East-Tampen
Variable 4. Rough. Rain with moderate.
Storegga
Variable 4. Moderate or rough. Rain with moderate, becoming dry and good.
Froeya Bank
Variable 4. Moderate or rough. Rain with moderate, becoming dry and good.
Halten Bank
Variable 4. Moderate or rough. Occasional rain with moderate, becoming dry and good.
Storegga-Halten Bank to Greenwich Meridian
Variable 4. Rough. Rain with moderate.
Sklinna Bank
Northwest 4. Rough. Dry and good, becoming occasional rain with moderate.
Traena Bank
Northwest 5. Rough. Rain with moderate, becoming dry and good.
Roest Bank
Northwest 5. Rough. Rain with moderate, becoming dry and good.
Outer Vestfjord
Northwest 5. Moderate. Rain with moderate, becoming dry and good.
Vesteraalsbank
Northwest 6. Moderate or rough. Rain with moderate, becoming dry and good.
Banks outside Troms
Northwest 5. Moderate, occasionally rough. Rain with moderate.
Tromsoeflaket
Variable 5. Moderate or rough. Rain with moderate.
Hjelmsoey Bank
Variable 5. Moderate or rough. Rain with moderate, becoming dry and good.
North Cape Bank
Variable 5. Moderate or rough. Snow with poor, becoming dry and good.
North Bank
Variable 4. Moderate or rough, occasionally very rough. Snow with poor.
Kildin Bank
East 6. Moderate or rough, occasionally very rough. Snow with poor.
NB
South 6, occasionally near gale 7. Rough. Snow with poor.
YP
Southwest 6, occasionally south gale 8. Moderate or rough, occasionally very rough. Dry and good, becoming snow with poor.
LiD
Variable 4, increasing to south near gale 7, occasionally gale 8. Moderate or rough, occasionally very rough. Snow with poor. Risk of fog. Risk of moderate icing.
BnS
South 6, increasing to near gale 7, occasionally gale 8. Rough, occasionally very rough. Snow with poor.
A2
Southwest 6, occasionally near gale 7. Moderate or rough. Dry and good, becoming snow with poor. Risk of moderate icing.
A3
Southwest 6, occasionally south gale 8. Moderate or rough, occasionally very rough. Snow with poor.
A4
Variable 5, increasing to south near gale 7, occasionally gale 8. Moderate or rough, occasionally very rough. Snow with poor.
A5
Southwest 6, occasionally near gale 7. Moderate or rough. Dry and good, becoming snow with poor.
B1
Southwest 6, occasionally south near gale 7. Dry and good.
B2
Southwest 6, increasing to near gale 7. Moderate or rough. Dry and good, becoming snow with poor. Risk of fog. Risk of moderate icing.
B3
Variable 6, increasing to south near gale 7, occasionally southwest gale 8. Rough or very rough. Snow with poor. Risk of fog.
B4
Variable 6, increasing to southwest near gale 7. Rough, occasionally very rough. Snow with poor.
B5
South 5, occasionally southwest near gale 7. Rough, occasionally very rough. Snow with poor.
C2
Variable 5, increasing to southwest near gale 7. Moderate or rough. Dry and good, becoming snow with poor. Risk of fog.
C3
Northwest 6, increasing to southwest near gale 7, occasionally west gale 8. Rough, occasionally very rough. Dry and good, becoming snow with poor. Risk of fog.
C4
Northwest 6, increasing to southwest near gale 7. Rough, occasionally very rough. Rain with moderate.
C5
Southeast 5, occasionally southwest near gale 7. Rough, occasionally very rough. Rain with moderate, becoming occasional snow with poor.
D2
South 6. Moderate or rough. Snow with poor, becoming dry and good. Risk of fog.
D3
Variable 6. Rough. Rain with moderate.
Deep D4
Northwest 6. Rough. Rain with moderate.
E2
South 5. Moderate or rough. Occasional rain with moderate. Risk of fog.
E3
Variable 5. Rough. Rain with moderate.
Deep E4
Northwest 5. Rough. Rain with moderate.
F2
Variable 4. Rough. Dry and good, becoming occasional rain with moderate. Risk of fog.
F3
Variable 5. Rough. Rain with moderate.