Similan Islands Season :
Diving Conditions at the
The Similan islands is a national park,
ruled by the government, the Mu Koh
Similan National Park open around the
15th of October depending on the year
and close around the 15th of Mai.
Between October and Mai the diving is
very good with a visibility of 20 to 40 m,
the west cost of Thailand being protected
by the mountain from the Easterly wind
from the east cost monsoon, opposite
season east/west), the sea is very flat
and the condition optimum from
December to end of March.
Current tend to be stronger from the end
of February but it s not a problem as we
do mainly drift diving at the Similan
January, February and March being the
driest time of the year with almost no
Our Similan Islands scuba diving
liveaboards runs from mid-October to
The best season at the Similan Islands is
from November to Mai when the rainy
season stays away, after Mai depending
on the year the rainy season start with a
mix of rain and sun.
Around this time the Similan Islands are
closed due to high waves created by the
strong wind from the west.
July and August are quite nice, still some
shower depending on the year the
amount of rain is different.
Between Juin and October Koh Phi Phi is
still accessible for diving as it s protected
by the island of Phuket.
We offer some liveaboard around Koh Phi
Phi around this time of the year where
the diving is amazing and the condition
You can check Tides and Weather
Forecast at Similan Islands Weather
Forcast and Tides.