Guernsey Weather Fox

Seven day Guernsey weather forecast for 05 October 2025

Monday

Weather

A mix of cloud and sunshine, but certainly no rain and very little wind… a force 3 W’ly at dawn, changing to a force 2 SW’ly by dusk and then pretty much falling calm overnight. Max temp around 16-17°C in the early afternoon, min temp 9-10°C towards the end of the night.

Surf and the Water

High water will be 8.9m at 6:40 am and 9.4m at 7pm. Low water will be at 1pm. The surf will be about 3-4 feet and increasingly clean. Swimming conditions lovely on all coasts.

Tuesday and wednesday

Weather

Similarly uneventful weather as on Monday, but with the breeze wafting in from the southeast on Tuseday and then the north on Wednesday. The temperature might therefore go up a little and then down a little, but it mainly depends on the cloud to sunshine ratio. There is a slight chance of some showers on Wednesday night from the remnants of a very old and decrepit weather front. However, it would only be a few spits and spots in the dark, so you probably wouldn’t know about it anyway. Daily maxima will probably be 17 and 16°C respectively, nightly minima around 9°C.

Surf and the Water

High water will be soon after dawn and soon after dusk, ranging from 9.4m to 9.9m, so thank goodness that storm Amy has been replaced by near calmness. There will be some nice clean waves for the surfers though… roughly 2 feet on Tuesday and 4 feet on Wednesday. Swimming conditions will be lovely in all areas, watch out for strong tidal currents though.

Thursday and Friday

Weather

Virtually the same again, only this time the wind will nudge gradually from a N’ly to a NE’ly, and it looks as though it may strengthen to force 3-4, which would add a bit of a chill factor. Dry throughout though, and with plenty of sunshine filtering through, so it should generally seem pleasant. The likely maxima around 15°C and the likely minima around 11°C.

Surf and the Water

The surf will be a little messier and it will be gradually shrinking from 2-3 feet on Thursday morning to just 1 foot by Friday afternoon. Swimming conditions will be nicest on the south coast. High tides will be close to 9am and 9pm (ranging between 9.4m and 9.8m). Low tides will be in the mid-afternoons.

The Weekend

Weather

Carrying on with the slightly chilly feeling force 3-4 ENE’ly. This could lead to a few showers eventually developing near the Dover Strait and then feeding towards us. However, it would only be spits and spots if any of them were to hit us at all. The likely maxima around 14-15°C and the likely minima around 10-11°C. The south coast will be the loveliest area for some nice long weekend walks.

Surf and the Water

The surf will most likely be flat, but I guess there’s a slim chance of some long-period 1-2 footers from any action across the Atlantic. Tides will be 9.1m 10am on Saturday, and then 8.4m at 10:40am on Sunday. Lows will be in the late afternoons.

The next forecast update will be on Tuesday or Wednesday…

Previous Weather Fox Forecasts

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