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Weather and Climate Data

 

 

WEATHER FORECAST FOR MULTI-DAY BOATS

For the sea areas in between 20N - 10S and 60E-100E

(Issued at 07.00 a.m. on 02 February 2023, for next 24hours)

 

Sea areas around the Island

The depression over Southwest Bay of Bengal has entered through the east coast of Sri Lanka and it is moving across the country.

It is advised not to venture into fishing and naval activities in the sea areas off the coast extending from Galle to Pottuvil via Colombo, Puttalam, Mannar, Kankasanthurai, Trincomalee and Batticaloa and requested to be vigilant, in the other sea areas around the island.

Fishing and naval community are requested to be attentive to future forecasts issued by the Department of Meteorology in this regard.

 

Condition of Rain:

Showers or thundershowers will occur at times in the sea areas around the Island.

Winds:

Winds will be north-easterly and wind speed will be (30-40) kmph. Wind speed may increase up to (55-60) kmph at times off the coast extending from Galle to Pottuvil via Colombo, Puttalam, Mannar Kankasanthurai, Trincomalee and Batticaloa.

 

State of Sea:

The sea areas will be rough and very rough at times with the swell waves (about 2.5 – 3.0 m height) off the coast extending from Matara to Pottuvil via Colombo, Puttalam, Mannar Kankasanthurai, Trincomalee and Batticaloa. The other sea area around the island will be fairly rough.

Bay of Bengal.

The depression over Southwest Bay of Bengal has entered through the east coast of Sri Lanka and it is moving across the country.

It is advised not to venture into fishing and naval activities in the sea areas off the coast extending from Galle to Pottuvil via Colombo, Puttalam, Mannar, Kankasanthurai, Trincomalee and Batticaloa and requested to be vigilant, in the other sea areas around the island.

Wind speeds will be (40-50) kmph and can increase up to (60-70) kmph in sea areas between (06N - 12 N) and between (77E – 85E). Heavy showers or thundershowers and very rough or rough seas can also be expected in the above sea area.

Therefore, naval and fishing communities are advised not to venture into the above-mentioned sea area during the next 24 hour.

 

Weather:

00N - 15N, 80E-85E    : Showers or thundershowers at most places.

EQ- 15N, 85E-100E     : Showers or thundershowers at several places.

Other sea areas          : Mainly fair weather

Winds:

05N-10N, 80E-85E      : Anticlockwise / (35-45) kmph; gusting up to (50-60) kmph.

10N-20N, 80E-100E    : North-Easterly / (30-40) kmph.

Other sea areas          : Easterly / (15-20) kmph.

State of the Sea:

05N-10N, 80E-85E      : Fairly rough, rough to very rough at times.

10N-20N, 80E-100E    : Moderate, fairly rough at times.

Other sea areas          : Moderate.

 

Arabian Sea

Weather:

EQ -06N, 65E-80E       : Showers or thundershowers at few places.

Other sea areas          : Mainly fair weather.

 

Winds:

EQ -20N, 60E-70E       : Northerly to North-westerly/ (20-40) kmph.

EQ-20N, 70E-80E        : North-westerly / (30-40) kmph; gusting up to (50-60) kmph

State of the Sea:

EQ -20N, 60E-70E       : Moderate, fairly at times.

EQ-20N, 70E-80E        : Fairly rough, rough to very at times.

South IndianOcean:

Weather:

EQ-07S, 75E-100E       : Showers or thundershowers at most places.

Other sea areas          : Showers or thundershowers at several places.

 

Winds:

North-westerly to Westerly / (35-45) kmph; gusting up to (50-60) kmph

State of the Sea:

Fairly rough, rough to very at times.

**Temporary strong gusty winds and rough seas can be expected during thundershowers.

 

Duty-Meteorologist

Department of Meteorology