SOUTH WEST COAST OF SRI LANKA-OFF BERUWALA General information Local weather The SW Monsoon brings heavy rain and winds which occasionally may reach gale force. Visibility During SW monsoon,the visibility is often poor. Swell During the SW monsoon, a disturbed swell, combined with an E set, may be experienced across the harbour entrances. Current During the NE Monsoon, a current,setting N along the coast with a rate of up to 1.5kn, may be experienced off the harbour; this results in an E set across the harbour entrances. Caution The effects of SW and NE monsoons on swell and current may be unpredictable.