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119abdc8-8433-4e85-9efc-0391e82956c1 |
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2025-11-27 09:56:22.698000
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Drammensfjorden
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Drammensfjorden
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<p><a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> is 15 nautical miles long and stretches from <a href="ssr:792518" data-county="Akershus" data-lat="59.52949" data-lng="10.41533" data-municipality="Asker" data-type="Fyrlykt">Rødtangen </a>light to <a href="ssr:609364" data-county="Buskerud" data-lat="59.74389" data-lng="10.20448" data-municipality="Drammen" data-type="By">Drammen</a> at the mouth of the <a href="ssr:548370" data-county="Buskerud" data-lat="59.74074" data-lng="10.20748" data-municipality="Drammen" data-type="Elv">Drammenselva</a> river. At <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a>, the Ryggen headland juts out and narrows the width to just under a cable length; <a href="ssr:328756" data-county="Akershus" data-lat="59.61014" data-lng="10.4111" data-municipality="Asker" data-type="Sund i sjø">Svelvikstrømmen</a>.</p>
<p>In the outer part of the fjord, south of <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a>, the surface water is a mix of salt and brackish. At the end of the fjord, there is a freshwater layer several meters thick, depending on the river's water flow. The lower part of the <a href="ssr:548370" data-county="Buskerud" data-lat="59.74074" data-lng="10.20748" data-municipality="Drammen" data-type="Elv">Drammenselva</a> river is influenced by the tides.</p>
<p><a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> is relatively shallow all the way out to <a href="ssr:878832" data-county="Akershus" data-lat="59.5406" data-lng="10.41325" data-municipality="Asker" data-type="Vik i sjø">Holtnesstøa</a>, with generally good holding ground almost everywhere. However, the inner part has significant depths with few good anchorages.</p>
<p>Under normal conditions, the current is hardly noticeable in the inner part of the fjord. It is only when you get as far in as Drammen Glassverk at <a href="ssr:731222" data-county="Buskerud" data-lat="59.72165" data-lng="10.26571" data-municipality="Drammen" data-type="Nes i sjø">Nøstodden</a> that the current from the river starts to become noticeable. Especially during flood season, one can expect a strong outgoing current within the Glassverket area.</p>
<p>The tidal differences in <a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> are approximately the same as outside <a href="ssr:328756" data-county="Akershus" data-lat="59.61014" data-lng="10.4111" data-municipality="Asker" data-type="Sund i sjø">Svelvikstrømmen</a>, but the times for high water (HW) and low water (LW) occur about 50 minutes later in <a href="ssr:609364" data-county="Buskerud" data-lat="59.74389" data-lng="10.20448" data-municipality="Drammen" data-type="By">Drammen</a> than outside <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a>. <a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> is usually iced over above <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a> every winter, but it is kept open with the help of icebreakers. South of <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a>, the fjord is generally always ice-free.</p>
<h3>Regulations</h3>
<p>Regulations on the use of vessel traffic service areas and specific waters (Marine Traffic Regulations), regarding permissions to use the waters and capacity limitations.</p>
<p>Regulations on amendments to the regulation on speed limits at sea.</p>
<p>See lovdata.no to read the full regulations.</p>
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<p><a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> er 15 nautiske mil lang og strekker seg fra Rødtangen lykt til <a href="ssr:609364" data-county="Buskerud" data-lat="59.74389" data-lng="10.20448" data-municipality="Drammen" data-type="By">Drammen</a> ved utløpet av Drammenselva. Ved <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a> stikker odden Ryggen ut og innsnevrer bredden til en snau kabellengde; <a href="ssr:328756" data-county="Akershus" data-lat="59.61014" data-lng="10.4111" data-municipality="Asker" data-type="Sund i sjø">Svelvikstrømmen</a>. </p>
<p>I den ytre delen av fjorden, S for <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a>, er overflatevannet vekslende salt og brakt. Innerst i fjorden er der et ferskvannslag på flere meters tykkelse, avhengig av vannføringen i elva. Nedre del av Drammenselva er påvirket av tidevannet.</p>
<p><a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> er forholdsvis grunn helt ut til <a href="ssr:878832" data-county="Akershus" data-lat="59.5406" data-lng="10.41325" data-municipality="Asker" data-type="Vik i sjø">Holtnesstøa</a> med stort sett god holdebunn nesten over alt. Den indre delen har derimot betydelige dybder med få gode ankerplasser.</p>
<p>Under normale forhold er strømmen lite merkbar i indre delen av fjorden. Det er først når man kommer så langt inn som til Drammen Glassverk på <a href="ssr:731222" data-county="Buskerud" data-lat="59.72165" data-lng="10.26571" data-municipality="Drammen" data-type="Nes i sjø">Nøstodden</a> at strømmen fra elven begynner å gjøre seg gjeldende. Særlig i flomtiden må man regne med sterk utgående strøm innenfor Glassverket.</p>
<p>Tidevannsforskjellene i <a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> er omtrent de samme som utenfor <a href="ssr:328756" data-county="Akershus" data-lat="59.61014" data-lng="10.4111" data-municipality="Asker" data-type="Sund i sjø">Svelvikstrømmen</a>, men tidspunktene for HW og LW inntreffer ca 50 minutter senere i <a href="ssr:609364" data-county="Buskerud" data-lat="59.74389" data-lng="10.20448" data-municipality="Drammen" data-type="By">Drammen</a> enn utenfor <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a> . <a href="ssr:792266" data-county="Akershus" data-lat="59.66667" data-lng="10.39167" data-municipality="Asker" data-type="Fjord">Drammensfjorden</a> er som regel islagt innenfor <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a> hver vinter, men den holdes åpen ved hjelp av isbrytere. S for <a href="ssr:124591" data-county="Buskerud" data-lat="59.61368" data-lng="10.40875" data-municipality="Drammen" data-type="By">Svelvik</a> er fjorden som regel alltid isfri.</p>
<h3>Regulering</h3>
<p><strong>Se "Forskrift om bruk av sjøtrafikksentralenes tjenesteområde og bruk av bestemte farvann" </strong>(Sjøtrafikkforskriften), vedrørende tillatelse til å benytte farvannet og kapasitetsbegrensninger. Se lovdata.no for å lese hele forskriften. </p>
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