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ADVISORY

2021-05-17

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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 16 May 2021, for next three days)

 

 

 

 

 

Sea areas around the island,

Showers or thundershowers will occur at times in the sea areas extending from Kankasanturai to Galle via Mannar and Colombo. Showers or thundershowers will occur at several places in the other sea areas around the island.

Winds will be westerly to south-westerly in the sea areas around the island. Wind speed will be (40-50) kmph in the sea area extending from Kankasanturai to Puttalam via Mannar. Wind speed will be (30-40) kmph in the other sea areas around the island.

Wind speed can be increased up to 60 kmph in the sea area extending from Kankasanturai to Puttalam via Mannar and wind speed can be increased up to 50 kmph in the sea in the sea area extending from Puttalam to Hambantota via Colombo and Galle.

The sea areas extending from Kankasanturai to Puttalam via Mannar will be rough to very rough. The sea area extending from Puttalam to Hambantota via Colombo and Galle can be rough at times. The other sea areas can be fairly rough.

There is a possibility that near shore sea areas off the coast extending from Mannar to Hambanthota via Galle, may experience surges due to the effect of swell waves, having 2.0 – 2.5 m height (This is not for land area).

Temporarily strong gusty winds and very rough seas can be expected during thundershowers

Naval and fishing communities are advised not to venturein the sea areas extending from Kankasanturai to Puttalam via Mannar.

Fishing and naval community are requested to be vigilant in the sea area extending from Puttalam to Hambantota via Colombo and Galle.

 

Bay of Bengal

 

 

 

Weather:

08N-20N, 82E-95E     :Mainly fair weather

Other sea areas            : Showers/Thunder at several places

           

Winds:

04N-20N, 80E-90E                 : South-westerly to Southerly /(25-35) kmph. Gusting up to (45-55) kmph.

04N-20N, 90E-100E    :North-westerly / (20-30) kmph. , gusting up to 40 kmph

00-04N, 80E-89E         :North-westerly to Northerly / (30-40) kmph, gusting up to (50-60) kmph

Other sea areas              :North-westerly to Westerly /(30-40) kmph          

 

 

 

 

 

 

Sea State:

00-20N, 80E-86E     : Fairly rough, rough at times.

00-13N, 86E-90E       : Slight to moderate

Other sea areas         :.Moderate fairly rough at times.

 

Arabian Sea

 

The Cyclonic Storm ‘TAUKTAE” over south east Arabian sea is intensified into a Severe Cyclonic Storm and lay centered at 02.30 a.m. of 16th May, near latitude 14.7°N and longitude 72.7°E. It is very likely to intensify into a Very Severe Cyclonic Storm within next 06 hours.The system is likely to move nearly north-northwestwards and cross Gujarat coast India around 18th May evening.

Naval and fishing communities are advised not to venture the above mention sea areas.

Under the influence of the system, very rough seas and very strong winds (50-70 kmph), gusting up to 80-100 kmph can be expected over the southeast Arabian Sea area (08N-20N, 65E-75E). during next few days.

Fishing and naval community are requested to be attentive regarding future forecasts issued in this regard.

 

 

Weather:

10N-20N, 65E-76E     :Intermitent showers or thundershowers at most places

Other sea areas            : Showers or thundershowers at several places.

Winds:

12N-20N, 66E-76E      : Anticlockwise/ (40-50) kmph, gusting up to (80-100) kmph.

00-07N, 60E-80E      : South-westerly to North-westerly / (30-40) kmph. , gusting up to (50-70) kmph.

07N-12N, 60E-77E       : Westerly to North-westerly / (35-45) kmph, gusting up to (70-80) kmph.

12N-20N, 60E-66E       : North-westerly / (30-40) kmph, gusting up to (50-60) kmph.

Other sea areas            : Southerly / (50-60) kmph.

Sea State:

 

12N-20N, 65E-76E  : Rough, very rough or high.

05N-12N, 60E-80E        : Fairly rough, rough or very rough at times.

Other sea areas                : Fairly rough to rough

 

 

 

South Indian sea area

 

There is a possibility to develop a low level atmospheric disturbance in the southern sea area. As such, Sudden roughness of the sea associated with strong winds during thundershowers are expected over the sea areas of (02S-10S, 68E-82E).

 

Fishing and naval community are requested to be attentive regarding future forecasts issued in this regard.

Weather:

00-10S, 70E-86E     : Showers or thundershowers at most places.

00-10S, 86E-100E   : Showers or thundershowers at a few places.

Other sea areas       : Showers or thundershowers at several places.

Winds:

00-10S, 67E-83E   : Clockwise / (30-40) kmph,gusting up to (50-60) kmphkmph

00-10S, 60E-67E   :South-easterly / (30-45)

Other sea areas      :South westerly or variable / (20-35) kmph

Sea State:

00-10S, 67E-83E       :Fairly rough, rough at times.

05S-10S, 60E-70E : Moderate, fairly rough at times.

Other sea areas           : Moderate.

 

 

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

 

 

Duty-Meteorologist

Department of Meteorology