KUALA LUMPUR: Strong winds and rough seas classified as third category (most dangerous) are expected until Tuesday in the coastal areas of Kelantan, Terengganu, Pahang and Johor.
The Meteorological Department said strong north-easterly winds at speeds of 60kmph may cause waves measuring over 5.5 metres.
Coastal areas in the affected states can expect increased water levels to last until next Tuesday.
These conditions are dangerous to all beach and shipping activities including fishing, work on oil platforms and ferry services.