A southwesterly, strong and mostly variable flow prevails over the whole area. For Drammen : Warning moderate gale offshore.
The reliability of the situation is good.
Bright spells increasing during the morning, sunny spells with risk of mist forming in the afternoon. No precipitation.
In the evening, fog clearing rapidly. No precipitation. NW force 1 in the morning turning ENE in the evening. Gusts reaching 6 knots in the evening. Visibility reduced by fog becoming reduced by dense fog in the middle of the day then reduced by fog.
