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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 21 September 2019, for next three days)

 

Sea areas around the island

 

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

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

The sea area extending from Hambantota to Batticaloa via Pottuvil and the sea area extending from Puttalam to Mullaitivu via Mannar and Kankasanturai can be rough at times as the wind speed can increase up to (50-55) kmph at times.

Temporarily strong gusty winds (up to 70-80 kmph) and very rough seas can be expected during thundershowers.

 

Bay of Bengal

 

Weather:

  

04N-13N, 80E-95E               :Showers or thundershowers at times.

17N-20N, 80E-100E             : Showers or thundershowers at a few places.

Other sea areas                     : Showers or thundershowers at several places.

Winds:

 

05N-13N, 80E-100E             :South-westerly / (35-45) kmph; gusting up to (50-55) kmph.

00-05N, 80E-95E                 :South-easterly to Southerly / (30-40) kmph

Other sea areas                      : Variable / (20-30) kmph.

Sea State:

 

05N-13N, 80E-100E             : Fairly rough; rough at times.

00-05N, 80E-95E                 : Moderate to fairly rough.

Other sea areas                    : Slight to moderate.

 

Arabian sea area

 

Weather:

 

00-09N, 60E-80E                 :Showers or thundershowers at times.

17N-20N, 65E-80E                 : Showers or thundershowers at several places.

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

 

Winds:

 

00-06N, 68E-78E                 : Westerly to South-westerly / (35-45) kmph; gusting up to (60) kmph

06N-10N, 77E-80E               : South-westerly / (30-40) kmph;

06N-20N, 60E-77E               : Westerly to North-westerly / (20-30) kmph; gusting up to (50-55) kmph.

Other sea areas                     : South-easterly to South- westerly / (15-30) kmph.

 

Sea State:

 

00-06N, 68E-78E                 : Fairly rough; rough at times.

06N-20N, 60E-80E               : Moderate; fairly rough at times.

Other sea areas                     : Slight to moderate.

 

 

South Indian sea area

Weather:

00-10S, 60E-78E                  : Showers or thundershowers at times.

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

Winds:

 

00-07S, 63E-73E                  : Variable / (20-30) kmph.

Other sea areas                     : South-easterly to Easterly/ (30-40) kmph; gusting up to 50 kmph.

 

Sea State:

 

00-07S, 63E-73E                  : Slight to moderate.

Other sea areas                     : Fairly rough; rough at times.

 

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

 

 

Duty Meteorologist

Department of Meteorology