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ADVISORY

2019-05-20

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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 21st May 2019, for next three days)

 

Sea areas around the island

 

Showers or thundershowers will occur at a few places in the sea area extending from Puttalam to Potuvil via Colombo and Galle.

Winds will be South-westerly and speed will be 20-30 kmph in the sea areas around the island.

Wind speed can increase up to 50 kmph at times in the sea area extending from Puttalam to Kankasanturai via Mannar and the sea area extending from Hambanthota to Batticaloa via Pottuvil.

 

 

Bay of Bengal

 

 

Weather:

04N-12N, 80E-100E             : Showers or thundershowers at several places

12N-17N, 92E-100E             : Showers or thundershowers at several places

00-04N, 80E-100E               : Showers or thundershowers at a few places

Other sea areas                   : Mainly fair weather

Winds:                                                                                                                                                        

 

05N-20N, 80E-90E               : South-westerly / (25-35) kmph; gusting up to (40-50) kmph

06N-20N, 90E-100E             : South-westerly to Westerly / (25-35) kmph

00-05N, 80E-90E                 : Southerly to South-westerly / (20-30) kmph, gusting up to (40-45) kmph

Other sea areas                  : South-westerly or South-easterly / (15-25) kmph.

Sea State:

 

05N-20N, 80E-90E              : Moderate, fairly rough at times.

00-05N, 80E-95E                : Moderate

05N-20N, 90E-95E              : Slight to moderate

Other sea areas                                   : Slight

 

Arabian sea area

 

Weather:

 

 

00-05N, 60E-80E                 : Showers or thundershowers at several places.

00-10N, 65E-80E                 : Showers or thundershowers at a few places.

Other sea areas                   : Mainly fair weather.

Winds:

 

03N-10N, 75E-80E              : South-westerly / (25-35) kmph; gusting up to (40-50) kmph.

00-05N, 65E-75E                : Westerly / (30-40) kmph

05N-15N, 60E-70E               : Variable / (25-35) kmph

Other sea areas                       : North-westerly to Westerly/ (15-30) kmph.

 

Sea State:

 

 

00-10N, 75E-80E                 : Moderate

00-10N, 60E-75E              : Slight to moderate

Other sea areas                       : Slight.

 

South Indian sea area

Weather:

 

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

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

Winds:

 

03S-10S, 60E-100E              : South-easterly/ (30-40) kmph.

Other sea areas                     : South-easterly to Easterly / (15-25) kmph.

 

 

Sea State:

05S-10S, 85E-100E              : Moderate to fairly rough

00-05S, 85E-100E                : Moderate

Other sea areas                      : Slight to moderate

 

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

 

 

Duty Meteorologist

Department of Meteorology