SW-INC-0538SeaWise Incidents

off Halden - A catamaran capsizes in the Iddefjord near Halden; everyone aboard is reported safe

Only the headline could be confirmed. The number of people aboard, the date and whether the boat was a sailing catamaran could not be established.

unverified · 1 sourceN
Vessel
off HaldenCatamaran
When
2026Skagerrak
Outcome
Returned safely
Position
Iddefjorden, near Halden, Norway
Sea area
Iddefjorden, Norway-Sweden border
Coordinates
59.05°N, 11.35°EApproximate position
Summary

What happened.

A catamaran capsized in the Iddefjord, near Halden on the Norway-Sweden border, and everyone aboard was reported safe. The number of people aboard, the date and the cause could not be established from the available reports.

A catamaran capsized in the Iddefjord, the long fjord that forms part of the border between Norway and Sweden near Halden. According to the headline reporting, everyone aboard was brought to safety. One local report places the capsize at Engevika, near Halden, and suggests that at least one person was in the water. Beyond that, the available reporting could not be read, so this record does not say when it happened, how many people were aboard, whether the boat was a sailing or a motor catamaran, what caused the capsize, what the conditions were, or who carried out the rescue. It is kept as a headline-level entry so that it can be completed if the full reports become available, or removed if they cannot.

ConditionsHeadline-level record only. A catamaran capsized in the Iddefjord, near Halden on the Norway-Sweden border; the headline states that everyone aboard is safe. One local report places it at Engevika, Halden, and its web address suggests a person was in the water. The date, the year, the number aboard, whether she was a sailing or motor catamaran, the cause, the conditions and who responded could not be established: the article pages could not be read. Sources: Smaalenenes Avis and Teknisk Ukeblad headlines.
SeaWise noteHeadline-level record: the details that would make a lesson were not available. What it does show is that catamarans, which feel very stable, can and do go over -- and once inverted, they stay that way.
Lessons learned

What it teaches.

  • 1
    A capsized catamaran usually stays afloat upside down. Stay with it, climb onto the hull if you can, and make yourself visible.
    man overboard
Sources

Where this comes from.

News· Scandinavia & Germany sailing newsKatamaran har kantret i Iddefjorden – alle personene som var om bord, er i sikkerhetVisit ↗

SeaWise indexes and links to primary sources; it does not host their reports or media. Crew are referred to by role unless documented consent is on file.

From SeaWise

Procedures involved.

Explore

More like this.

CapsizeSkagerrak
More incidents like this

In the same neighbourhood.

2026Schweriner See, Mecklenburg-Vorpommern, GermanyA sailing catamaran capsizes on Schweriner See near the Rüter Horn shoal; both crew reach safety

off Rüter Horn shoal

On 6 July 2026, a small sailing catamaran capsized near the Rüter Horn shoal on Schweriner See, Germany. Unable to right it, the skipper swam about 50 metres to the water police station to raise the alarm, while the second crew member stayed with the hull. Both were recovered unharmed.

—Rescued
2026German Bight, off the East Frisian IslandsCapsize · Dismasting · Rescue

off the East Frisian islands

On 17 August 2026 a 69-year-old sailing alone capsized his small catamaran, with a broken mast, in the North Sea between Langeoog and Spiekeroog. He raised the alarm himself and was wearing a thermal suit. Because his position was unclear, two lifeboats, a fishing boat and a Navy helicopter searched; the helicopter found and winched him up unhurt.

1 crewRescued
2026Clinton Lake, KansasCapsize

Clinton Lake

High winds gusting near 38 mph capsized a sailboat carrying three adults on Clinton Lake, close to the dam tower west of Lawrence, Kansas, in 2026. One person swam to shore while the other two stayed with the upturned hull until a county fire crew reached them. All three were treated for cold exposure and none were hospitalised.

—Rescued
Were you there?

Share your story.

SeaWise records are richer when survivors and crewmates contribute what they remember. Submissions are private by default — your name and contact never appear on the public record.

Submit a story
Record IDSW-INC-0538
Curated bySeaWise editorial
Confidenceunverified · 1 source
Record typeIncident

About SeaWise records: We catalogue sailing emergencies with structured metadata and link to primary sources rather than republishing them. Individual crew names are anonymised by default— sources we link to may name them publicly; SeaWise refers to roles ("the skipper", "the crew") on our pages. Submitter identities are always private.