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WARNING

2020-09-20

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ADVISORY

2020-09-20

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Max. Temperature 35.6°C
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Min. Temperature 13.7°C
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Max. Rainfall 65.5mm
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WEATHER FORECAST FOR MULTIDAY BOATS

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

(Issued at 07.00 a.m. on 20 September 2020, for next three days)

 

Sea areas around the island

Showers or thundershowers will occur in the sea areas around the island. Heavy showers may occur in the Eastern and North-eastern deep sea areas.

Winds will be south-westerly in the sea areas around the island and the wind speed will be (30-40) kmph.

Wind speed can increase up to (60-70) kmph in the deep and shallow sea areas off the coasts extending from Batticaloa to Colombo via Trincomalee, Kankasanturai and Puttalam and in the sea area extending from Galle to Pottuvil via Hambantota.

Wind speed can increase up to (50-60) kmph in the deep and shallow sea areas off the coasts extending from Colombo and Galle

There is a possibility that near shore sea areas off the coast extending from Kalpitiya to Pottuvil via Colombo, Galle and Hambantota may experience surges due to the effect of swell waves, having (2.5 – 3.0) m height.

The other sea areas around the island can be fairly rough or rough at times.

The sea areas extending from Batticaloa to Colombo via Trincomalee, Kankasanturai and Puttalam and in the sea area extending from Galle to Pottuvil via Hambantota can be rough or very rough at times.

 

 

 

Bay of Bengal

There is a possibility of formation of low pressure area over Northeast Bay of Bengal around 20th September 2020.

 

Strong or very strong gusty winds heavy rainfalls and rough or very rough seas can be expected over Central, Northeast and Eastern Bay of Bengal Sea areas (06N-16N, 83E-96E) during next few days.

 

Navel and fishing communities are advised not to venture into aforementioned deep sea of Bay of Bengal from 19th September until 22nd of September. Those who are in deep sea are advised to reach safer area. Naval and fishing communities are requested to be vigilant in this regard.

 

Weather:

12N-16N, 83E-98E     : Showers or thundershowers at times.

08N-12N, 80E-95E   : Showers or thundershowers at several places.

16N-20N, 83E-95E    : Showers or thundershowers at several places

Other sea areas           : Showers or thundershowers at few places.

Winds:

05N-16N, 80E-100E   : South-westerly / (50-60) kmph, gusting up to (70-80) kmph.

00-05N, 80E-100E      : Southerly to South-westerly / (30-40) kmph, gusting up to (50-60) kmph.

Other sea areas            : South-westerly to westerly / (20-30) kmph, gusting up to 40 kmph.

Sea State:

05N-16N, 80E-100E   : Rough to very rough, high at times.

00-05N, 80E-100E     : Fairly rough, rough at times.

Other sea areas           : Moderate to fairly rough.

 

 

 

Arabian Sea

 

Weather:

10N-16N, 70E-77E     : Showers or thundershowers at times.

00-05N, 65E-75E       : Showers or thundershowers at several places.

Other sea areas           : Showers or thundershowers at a few places.

Winds:

06N-10N, 75E-80E     : Westerly to South-westerly / (40-50) kmph, gusting up to (60-70) kmph.

10N-16N, 63E-76E     : South-westerly to Westerly / (30-40) kmph, gusting up to (50-60) kmph.

03N-10N, 60E-75E     : Westerly / (30-40) kmph, gusting up to 50 kmph.

Other sea areas            : Southerly to South-westerly/ (20-30) kmph.

Sea State:

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

10N-16N, 63E-76E     : Fairly rough to rough.

03N-10N, 60E-75E     : Fairly rough, rough at times

Other sea areas            : Moderate.

 

 

 

South Indian sea area

 

Weather:

05S-10S, 90E-100E    :Showers or thundershowers at several places.

05S-10S, 73E-82E      :Showers or thundershowers at several places.

00-05S, 65E-75E        : Showers or thundershowers at several places.

Other sea areas            : Mainly fair weather.

Winds:

05S-10S, 80E-100E   : South-easterly / (30-40) kmph; gusting up to 50 kmph.

Other sea areas            : South-easterly to Southerly/ (20-40) kmph.

Sea State:

05S-10S, 80E-100E   : Moderate to fairly rough, rough at times.

Other sea areas           : Moderate to fairly rough.

 

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