Served by the Norwegian Meteorological Institute and NRK

Karljohansvern

Military installation, Horten, Vestfold (Norway), elevation 3 m

Webcams

  1. Image from Sykehusbrygga - Indre havn
  2. Image from Horten gjestehavn
  3. Image from Tønsberg, direction west

    W+2

  4. Image from Drøbak, direction south

    S+1

The closest observation stations

  1. Horten II

    elevation 95 m, 2 km from Karljohansvern

    Temperature at
    Temperature10.0°

  2. Gullholmen

    elevation 14 m, 4.9 km from Karljohansvern

    Temperature at
    Temperature10.8°

  3. Fv310 Kotterud

    elevation 40 m, 4 km from Karljohansvern

    Temperature at
    Temperature11.0°

The air around Karljohansvern

  1. Pollen forecast

    Eastern Norway with Oslo

    9 May
    Pollen typeConcentration
    Birch
    Severe
    Salix
    Low
    10 May
    Pollen typeConcentration
    Birch
    Severe
    Salix
    Low

    More details at naaf.no/pollenvarsel/

  2. Air pollution forecast

    Karljohansvern

    :Low

    Low or no risk for health effects.

    Graph which shows air quality for Karljohansvern

    More details and health advice on luftkvalitet.miljodirektoratet.no

In the atmosphere

  1. UV forecast

    Karljohansvern

    0No UV radiation
    Graph which shows UV forecast for Karljohansvern

    More details at dsa.no

  2. Aurora

    Karljohansvern

    Aurora: No activity
    100% cloud cover
    Kp index: 2
    Aurora

Sun and moon

  1. Sun

    Dawn (nautical twilight)10° below the horizon
    Graph which shows the sun phases and how high in the sky the sun is for Karljohansvern
    • Sunrise
    • Sunset
    • Length of day:
    • Difference from yesterday:
    • Difference from winter solstice:
    • Solar noon at
    • Next solar eclipse (partial):

  2. Moon

    The moon is 6° under the horizon in north

    1.2% illuminated, waxing crescent

    • Moonrise in northeast
    • Next full moon:
    • Next new moon:
    • Next lunar eclipse (partial):

Water temperatures

See all water temperatures

  1. Fyllinga

    1.8 km from Karljohansvern

    Temperature11.9°

    Registered by Horten kommune,

  2. Tronvikstranda

    6.6 km from Karljohansvern

    Temperature10.5°

    Registered by user,

  3. Vårlistranda

    8.5 km from Karljohansvern

    Temperature11.0°

    Registered by user,

  4. Sjøbadet

    9.1 km from Karljohansvern

    Temperature12.1°

    Registered by Badetassen.no,

  5. Åsgårdstrand

    9.2 km from Karljohansvern

    Temperature11.3°

    Registered by Horten kommune,

  6. Verket

    10.2 km from Karljohansvern

    Temperature10.3°

    Registered by user,