Island Overview
Friday 18 July brings unbroken sunshine across Crete, with zero precipitation recorded from Kissamos to Sitia. Highs peak at 32.8°C in Agios Nikolaos and Elounda in the east, while Sitia stays cooler at 28.7°C and Rethymno at 29.4°C. A textbook high-summer day: hot, dry, and bright from first light.
North vs South: A Wind Divide
The sharpest contrast today is wind. The north-coast meltemi stays manageable: Chania tops out at 12.8 km/h, Heraklion at 24.2 km/h, and the resort belt of Hersonissos and Malia at around 20 km/h. North-shore beaches are comfortable for families and water sports throughout the day.
The south coast is harder work. Ierapetra is gusting to 40 km/h and Makrigialos to 34.9 km/h, strong enough to flatten beach umbrellas and sting exposed skin. One counterintuitive point: despite the gusts, local topography shelters Ierapetra from swell, keeping wave heights at just 0.3 m. The wind is the problem today, not the sea itself.
Mountain Conditions
The Lefka Ori above Chania and the Psiloritis massif in central Crete both exceed 2,000 m. Temperatures run 12-15°C cooler than the coast, placing upper ridges around 15-17°C today. No precipitation is expected at any elevation. Hikers heading for the Samaria Gorge or the Nida Plateau should pack a light layer for the descent.
Sea State, Wind and UV
Sea temperatures are warm across all coasts, from 24.9°C at Makrigialos to 26.8°C at Rethymno. Wave heights reach 1.18 m at Sitia and Malia, normal summer swell for confident swimmers. UV indices run 8.25 to 8.55 island-wide, placing today firmly in the very high category. Unprotected skin can burn in under 20 minutes between 11:00 and 15:00.
Swim Verdict
The north coast is the clear pick today. From Chania to Heraklion, winds are moderate, waves run around 1.0 m, and water sits near 26°C. Eastern bays at Elounda and Agios Nikolaos are warm at 25.6°C but carry steady winds of 31 km/h. South-coast beaches at Ierapetra and Makrigialos are best skipped for casual swimming: the gusts are persistent and make conditions uncomfortable rather than refreshing.
Practical Tip
With UV above 8 across the entire island, apply SPF 50 before leaving your accommodation and reapply every 90 minutes. Reflected light from sand and sea adds to total exposure even under a parasol. A wide-brim hat and polarised sunglasses are not optional today: they are standard kit for anyone spending more than an hour outdoors.
