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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 28 September 2021, for next three days)

 

 

 

Sea areas around the island

 

Showers or thundershowers will occur at times in the sea areas extending from Puttalam to Hambantota via Colombo and Galle.

Winds will be westerly to south-westerly in direction and wind speed will be (35-45) kmph in the sea areas around the island. The wind speed can be increased up to (50-60) kmph at times in the sea areas extending from Mannar to Pottuvil via Puttalam, Colombo, Galle and Hambantota.

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

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

 

 

Bay of Bengal

Weather:

00-10N, 80E-100E         : Showers or thundershowers at most places.

10N-20N, 95E-100E     : Showers or thundershowers at most places.

10N-20N, 80E-95E     : Showers or thundershowers atseveral places.

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

                                       

Winds:

00-10N, 80E-95E           : Westerly to South-westerly / (40-50) kmph; gusting up to (60-70) kmph.

10N-20N, 80E-90E         : South-westerly to Southerly / (25-35) kmph; gusting up to (40-50) kmph.

10N-20N, 90E-100E       : South-easterly to Southerly/ (20-40) kmph.

Other sea areas              : South-westerly or Variable / (15-30) kmph.

 

Sea State:

00-10N, 80E-95E             : Fairly rough to rough, very rough at times.

10N-20N, 80E-90E         : Moderate to fairly rough.

Other sea areas                 : Moderate.

 

 

 

 

Arabian Sea

 

 

Weather:

05N-10N, 70E-80E        : Showers or thundershowers at several places.

15N-20N, 70E-75E         : Showers or thundershowers at several places.

05N-20N, 60E-70E         : Showers or thundershowers at a few places.

Other sea areas               : Mainly fair weather.

                                     

Winds:

00-10N, 70E-80E         : South-westerly to Westerly/ (40-50) kmph; gusting up to (60-70) kmph.

05N-15N, 60E-70E      : South-westerly / (30-40) kmph; gusting up to (50-60) kmph.

Other sea areas              : South-westerly or Westerly / (25-35) kmph.

 

Sea State:

00-10N, 70E-80E       : Fairly rough to rough, very rough at times.

05N-15N, 60E-70E     : Fairly rough to rough.

Other sea areas               : Moderate.

 

 

 

South Indian sea area

 

 

Weather:

 

00-10S, 85E-100E          : Showers or thundershowers at most places.

05S-10S, 75E-85E       : Showers or thundershowers at several places.

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

Winds:

00-03S, 80E-90E          : Westerly to North-westerly / (30-40) kmph; gusting up to (50-60) kmph.

03S-10S, 60E-80E        : South-easterly/ (30-40) kmph; gusting up to (50-60) kmph.

05S-10S, 90E-100E     : Easterly to South-easterly/ (20-30) kmph; gusting up to 40 kmph.

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

Sea State:

00-03S, 80E-90E             : Fairly rough, rough at times.

03S-10S, 60E-80E           : Moderate to fairly rough, rough at times.

05S-10S, 90E-100E         : Moderate.

Other sea areas               : Slight to moderate.

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