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Frisches Haff water temperature

Frisches Haff, Nowy świat - zalew · Sea/Coast

The current water temperature at Frisches Haff is 15.5 °C (as of September 19, 2026, source: IMGW).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

15.5 °C
Measured: September 19, 2026 · continuously updated
💧 Water 15.5° · ☀️ Air 17.4° · high today 20.2°
Temperature trend of recent weeks
Frisches Haff
Photo: Jendrusk · CC BY-SA 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 48 data points since July 27, 2026.

Lowest recorded value: 15.5 °C on September 19, 2026 · highest value: 20.9 °C on August 15, 2026.

In September, temperatures have ranged between 15.5 °C and 19.3 °C.

The current value is 1.8 °C below the September average of this series.

Nearby waters

More measuring points: Frisches Haff

Frequently asked questions

Can you swim at Frisches Haff right now?
The current water temperature is 15.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Frisches Haff?
Currently 15.5 °C (updated continuously).

How warm is at Frisches Haff in September?
In September, the water temperature recently averaged 17.3 °C.

When is the water warmest at Frisches Haff?
Across the measurement record, August is on average the warmest month (18.9 °C).

Open in the BrrChecker app

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