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ADVISORY

2021-06-12

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Weather and Climate Data

 

 

WEATHER FORECAST FOR MULTIDAY BOATS

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

(Issued on 13 June 2021, for next three days)

 

 

 

Sea areas around the island

 

Showers or thundershowers will occur at several placesin the sea areas extending from Puttalam to Hambantota via Colombo, Galle and Matara.

 

Winds will be south-westerly in the sea areas around the island. Wind speed will be (30-40) kmph andwind speed can be increased up to (50-60) kmph in the sea areas extending from Galle to Pottuvil via Hambantota and from Negombo to Mullaitivu via Puttalam, Mannar and Kankasanturai

The sea areas extending from Galle to Pottuvil via Hambantota and from Negombo to Kankasanturai via Puttalam and Mannar will be rough at times. The other sea areas around the island will be fairly rough at times.

Naval and fishing communities are requested to be vigilant in this regards.

 

Bay of Bengal

A low-pressure area has formed over northwest Bay of Bengal and adjoining sea areas. It is Likely to develop further and move west-northwestwards gradually during next 24 hours.

Weather:

 

14N-20N, 80E-97E     : Showers or thundershowers at most places.

03N-06N, 80E-85E      : Mainly fair weather.

03N-10N, 85E-95E        : Showers or thundershowers at a few places.

Other sea areas              : Showers or thundershowers at several places.

                                                                           

Winds:

04N-10N, 80E-96E      : South-westerly / (30-40) kmph; gusting up to (60-70) kmph.

10N-20N, 80E-97E        : South-westerly / (35-45) kmph; gusting up to (70-80) kmph.

Other sea areas               : South-easterly to south-westerly / (30-40) kmph.

Sea State:

10N-20N, 80E-95E       : Rough to very rough

10N-20N, 80E-97E        : Very Rough to high

Other sea areas         : Fairly rough.

Arabian Sea

Weather:

08N-20N, 68E-80E   :  Showers or thundershowers at several places.

05N-10N, 65E-80E      : Showers or thundershowers at a few places.

Other sea areas              : Mainly fair weather.

Winds:

05N-20N, 60E-75E     : South-westerly / (35-45) kmph, gusting up to (60-65) kmph.

06N-10N, 75E-80E      : South-westerly / (30-40) kmph, gusting up to (50-60) kmph.

Other sea areas              :  South-easterly to south-westerly / (30-40) kmph.

Sea State:

05N-20N, 60E-75E      : Rough to very rough

06N-10N, 75E-80E        :  Fairly rough, rough at times.

Other sea areas              : Moderate.

South Indian sea area

Weather:

00-08S, 73E-100E        : Showers or thundershowers at several places.

Other sea areas             : Mainly fair weather.

Winds:

05S-10S, 60E-100E    :  South-easterly / (30-40) kmph, gusting up to 45 kmph.

Other sea areas             :  South-westerly / (30-40) kmph.

Sea State:

05S-10S, 60E-100E     :Moderate, fairly rough at times.

Other sea areas              : Moderate

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