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ADVISORY

2021-08-03

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Ketendola (Galle)

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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 03 August 2021, for next three days)

 

 

 

Sea areas around the island

 

A few showers will occur in the sea areas extending from Kaluthara to Hambantota via Galle.

Winds will be south-westerly in the sea areas around the island. The wind speed will be (30-40) kmph in the sea areas extending from Galle to Pottuvil via Hambantota and from Puttalam to Trincomalee via Mannar and Kankasanturai. The wind speed can be increased up to 50 kmph at times in these sea areas. The wind speed will be (20-30) kmph in the other sea areas around the island.

The sea areas extending from Galle to Pottuvil via Matara and Hambantota and in the sea areas extending from Puttalam to Trincomalee via Mannar and Kankasanturai can be rough at times. The sea areas extending from Puttalam to Galle via Colombo can be fairly rough at times.

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

 

Bay of Bengal

Weather:

10N-20N, 85E-100E   : Showers or thundershowers at several places.

00-10N, 85E-100E       : Showers or thundershowers at a few places.

Other sea areas              : Mainly fair weather.         

                                                                           

Winds:

04N-20N, 80E-100E   : South-westerly / (30-40) kmph; gusting up to (50-60) kmph.

00-04N, 80E-95E         : Southerly to South-westerly / (25-35) kmph.

Other sea areas             : South-westerly or variable / (10-20) kmph.

 

Sea State:

04N-20N, 80E-100E     : Fairly rough to rough.

00-04N, 80E-95E           : Moderate, fairly rough at times.

Other sea areas         : Slight to Moderate.

 

Arabian Sea

 

 

Weather:

00-10N, 60E-68E        : Showers or thundershowers at several places.

10N-20N, 74E-77E     : Showers or thundershowers at several places.

Other sea areas              : Mainly fair weather.

 

Winds:

10N-20N, 60E-76E     : South-westerly to Westerly/ (40-50) kmph; gusting up to (60-70) kmph.

05N-10N, 75E-80E    : Westerly to South-westerly / (30-40) kmph; gusting up to 50 kmph.

05N-10N, 60E-70E      : South-westerly to Westerly/ (20-30) kmph; gusting up to 40 kmph.

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

 

Sea State:

10N-20N, 60E-76E     : Fairly rough to rough, very rough at times.

05N-10N, 75E-80E        : Fairly rough to rough.

05N-10N, 60E-70E      : Moderate.

Other sea areas                  : Slight to moderate.

 

 

 

 

 

 

 

South Indian sea area

 

Weather:

 

00-08S, 60E-80E       : Showers or thundershowers at most places.

00-10S, 83E-100E   : Showers or thundershowers at several places.

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

Winds:

05S-10S, 60E-100E   :  South-easterly / (30-40) kmph, gusting up to (50-60) kmph.

00-05S, 80E-100E     :  South-easterly to Southerly / (30-40) kmph.

Other sea areas             :  South-easterly/ (10-20) kmph.

Sea State:

05S-10S, 60E-100E       : Fairly rough to rough.

00-05S, 80E-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