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 20 May 22:00 to thursday 22 May 09:59
Gale and storm warning
Outer Skagerrak
Outer Skagerrak: Northeast gale 8 from Wednesday 21utc until Thursday 01utc
Fisher
Fisher: North severe gale 9 from Wednesday 12utc until Thursday 04utc
Forties
Forties: North occasionally gale 8 from Wednesday 06utc until 22utc
South Utsire
South Utsire: North gale 8 from Wednesday 06utc until Thursday 00utc
North Utsire
North Utsire: North gale 8 from Tuesday 22utc until Wednesday 21utc
Viking
Viking: North gale 8 from Tuesday 22utc until Wednesday 22utc
Synoptic situation
Low 992 hPa, 63 N 35 E, moving E, expected 1001 hPa, 63 N 42 E, Wednesday 18 utc.
Low 1005 hPa, 59 N 08 E, moving SE, expected 998 hPa, 57 N 14 E, Wednesday 18 utc.
New low expected 1003 hPa, 59 N 07 E, Wednesday 12 utc, moving later S-SE.
High 1035 hPa, 75 N 09 W, moving SE, expected 1028 hPa, 68 N 04 W, Wednesday 18 utc.
Ocean forecast
Inner Skagerrak
Northeast 6, occasionally near gale 7. Slight or moderate. Dry and good, becoming rain with moderate.
Outer Skagerrak
Northeast 6, increasing to variable near gale 7, occasionally northeast gale 8. Slight to rough, occasionally very rough. Dry and good, becoming rain with moderate.
Fisher
Northwest near gale 7, increasing to variable gale 8, occasionally north severe gale 9. Very rough. Dry and good, becoming rain with moderate.
Forties
North near gale 7, occasionally gale 8. Very rough. Dry and good, becoming rain with moderate.
South Utsire
North near gale 7, decreasing to 6, occasionally gale 8. Very rough. Dry and good, becoming rain with moderate.
North Utsire
North gale 8, decreasing to near gale 7. Very rough. Dry and good.
Viking
North near gale 7, occasionally gale 8. Very rough. Rain with moderate.
East-Tampen
North near gale 7. Rough, occasionally very rough. Rain with moderate.
Storegga
North 6, occasionally near gale 7. Rough, occasionally very rough. Rain with moderate.
Froeya Bank
North 6, occasionally near gale 7. Rough, occasionally very rough. Rain with moderate, becoming dry and good.
Halten Bank
Northeast 6, occasionally north near gale 7. Rough. Rain with moderate, becoming dry and good.
Storegga-Halten Bank to Greenwich Meridian
North near gale 7, decreasing to 6. Rough, occasionally very rough. Rain with moderate.
Sklinna Bank
Northeast 5. Rough. Rain with moderate, becoming dry and good.
Traena Bank
Northeast 6, occasionally near gale 7. Rough. Rain with moderate, becoming dry and good.
Roest Bank
Northeast near gale 7, decreasing to 6. Rough. Rain with moderate, becoming dry and good.
Outer Vestfjord
Northeast 6. Moderate. Occasional rain with moderate, becoming dry and good.
Vesteraalsbank
Northeast near gale 7, decreasing to 6. Rough. Rain with moderate, becoming dry and good.
Banks outside Troms
Northeast 6. Moderate or rough. Rain with moderate, becoming dry and good.
Tromsoeflaket
Northeast 6. Moderate or rough. Snow with poor.
Hjelmsoey Bank
Northeast 5. Moderate, occasionally rough. Snow with poor.
North Cape Bank
Northeast 5. Moderate, occasionally rough. Snow with poor, becoming dry and good.
North Bank
Northeast 5. Moderate. Snow with poor.
Kildin Bank
Northeast 4. Moderate. Snow with poor.
YP
Variable 5. Dry and good, becoming snow with poor.
BnS
Southwest 6. Slight or moderate. Dry and good, becoming snow with poor.
A2
Variable 5. Dry and good, becoming occasional snow with poor.
A3
Southwest 6. Slight or moderate, occasionally rough. Dry and good, becoming snow with poor.
A4
Variable 5. Slight or moderate, occasionally rough. Dry and good, becoming snow with poor.
A5
Variable 4. Slight. Dry and good, becoming snow with poor.
B2
Southwest 6, occasionally south near gale 7. Slight or moderate, occasionally rough. Dry and good, becoming occasional snow with poor.
B3
Southwest 6. Slight to rough. Snow with poor.
B4
Southwest 6. Slight to rough. Snow with poor.
B5
Variable 5. Slight. Dry and good, becoming occasional snow with poor.
C2
Southwest 6. Moderate. Dry and good, becoming occasional snow with poor. Risk of fog.
C3
Variable 6. Moderate, occasionally rough. Snow with poor, becoming dry and good.
C4
Variable 6. Moderate or rough. Snow with poor.
C5
Variable 5. Rough to slight. Snow with poor.
D2
South 6, occasionally near gale 7. Moderate or rough. Dry and good. Risk of fog.
D3
Variable 5, occasionally north near gale 7. Moderate or rough. Rain with moderate, becoming dry and good.
Deep D4
Northeast 6. Moderate or rough. Rain with moderate, becoming dry and good.
E2
Variable 5. Moderate or rough. Dry and good.
E3
Northeast near gale 7, decreasing to 6. Rough. Rain with moderate, becoming dry and good.
Deep E4
Northeast 6, occasionally near gale 7. Rough. Rain with moderate, becoming dry and good.
F2
North 5. Rough. Dry and good.
F3
North near gale 7, decreasing to 6. Rough, occasionally very rough. Rain with moderate.