Recent heat waves have warmed Lapland’s rivers and lakes, leading Metsähallitus to suspend fishing permits and advise against salmonid fishing in the warm waters.

The waters of Mjøsa and the Gudbrandsdalslågen River in Innlandet, Norway, have turned an unusually intense blue-green color this summer due to glacial meltwater carrying fine rock particles.

A fuel tanker crashed Friday off Highway 101, spilling some 3,000 gallons of fossil fuels into Indian Creek. The creek is a tributary of the Elwha River, which has for years been a model for salmon recovery efforts.

A persistent heatwave in Finland is fueling dense blue-green algae blooms in the Baltic Sea’s Gulf of Finland and Archipelago Sea, with freshwater sightings remaining stable.

Salla’s Ruuhijärvi beach and rug‐washing area is closed through the weekend after a highly poisonous water hemlock was found on the shore, and will be removed by authorities.

Hundreds of fish, believed to be Arctic cod, were found belly-up along the shore of Iqaluit; Fisheries and Oceans Canada is investigating possible causes, including low-tide stranding.

A severe downpour on Öland delivered 47 mm of rain in under 10 hours, flooding parts of Möllstorps camping and forcing relocation of about 20 caravans and purchase of larger water pumps.

Gällivare municipality warns of suspected cases of swimmers’ itch after bathers developed itchy skin eruptions following a dip in Abborrtjärn.

Water levels across Newfoundland are at record lows due to an ongoing drought and rising temperatures driven by climate change, leading to river closures and drying wells.

Fisherman Edgar Olsen hauled in over 2,000 invasive pink salmon in one seine cast during trial fishing at the Vesterelva estuary in Nesseby, distributing about half to locals and sending the rest to Lerøy.

Sustained high temperatures have led to algal blooms at several sites in the Haparanda Archipelago, and local authorities are advising people to avoid bathing.

Heavy rain and flooding have forced the closure of the line between Achnasheen and Achanalt, cancelling the Inverness–Kyle of Lochalsh service and causing up to 30-minute delays on routes to Edinburgh, Glasgow and Aberdeen.

A blue-green algae bloom detected at Lower Thetis Lake’s main beach prompted a Capital Regional District health advisory on July 20, 2025, warning humans and pets to avoid the water.

Heavy rains have caused the Indigirka River to overflow and a flood wave to move along the Aldan River, prompting Sakha Republic authorities to declare a regional-level state of emergency affecting three districts.

Lake and river surface waters in Lapland have warmed rapidly due to recent heatwaves, reaching up to 5°C above average and attracting more beach visitors than usual.

Heavy rainfall has raised water levels in the Indigirka, Kuydusun, and Nera rivers, flooding yards in Orto-Balagay, Kuydusun, Oymyakon and Ust-Nera, and submerging sections of the Oymyakon and Kolyma highways.

An algal bloom was detected at the municipal Lulsundet beach in Luleå on July 15, prompting warning signs and questions from residents about potential health and safety risks.

Mid-July river levels in Central Mongolia rose above flood thresholds, prompting emergency patrols and safety advisories; 14 drowning fatalities were reported during Naadam festivities.

Kodiak set a new one-day precipitation record on July 10, 2025, when 2.11 inches of rain fell—surpassing the previous July 10 record of 1.43 inches set in 1919.

The Kachemak Bay National Estuarine Research Reserve detected Pseudo-nitzschia at bloom levels in Kachemak Bay starting July 4. This diatom can produce the toxin domoic acid, associated with amnesic shellfish poisoning, though toxin production is not yet confirmed. Observed bird deaths and marine mammal strandings have spurred collection of mussel samples for lab testing.