Greg's Wall

Nosy Valiha, Madagascarwall

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Conditions & tides

Greg's WallNosy Valiha

Good · 5/5

conditions visualisation

Good5/5

Calm and diveable right now — best window today 6 AM–1 PM.

Wind6 kn WNW

Current~0.1 kn NE · model

Swell

0.3 m · 4s · W

Water

27 °C

Conditions through the day

5 AM5 PM

Calmest current near slack — 09:00 AM & 09:15 PM local

Sunrise 05:37 AM · Sunset 05:45 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 0.4 m — the component of the swell aimed at this site’s exposed face. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

Scored by DiveConnect's site-physics model

Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.

Dived here today? How were conditions vs. what we showed?

About this site

Nosy Valiha lies off the northwest coast of Madagascar, in the Nosy Be archipelago within the Mozambique Channel. Dive sites in this area are typically reached by boat from Nosy Be or nearby smaller islands.

AI overview

Diver notes

Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.

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