WEATHER FORECAST FOR MULTIDAY BOATS

For the sea areas in between 20N - 10S and 60E-100E

(Issued at 07.00 a.m. on 30 September 2020, for next three days)

 

Sea areas around the island

 

Showers will occur at several places in the sea area extending from Puttalam to Hambantota via Colombo and Galle. Showers or thundershowers will occur at a few places in the other sea areas around the island. Heavy showers may occur in the Northern and North-eastern deep sea areas.

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

Wind speed can increase up to (50-55) kmph in the deep and shallow sea areas off the coasts extending from Puttalam to Trincomalee via Mannar and Kankasanturai and in the sea area extending from Matara to Pottuvil via Hambantota.           

The deep and shallow sea areas off the coasts extending from Puttalam to Trincomalee via Mannar and Kankasanturai and in the sea area off the coasts extending from Matara to Pottuvil via Hambantota can be fairly rough at times.

The other sea areas around the island can be moderately rough at times.     

 

Bay of Bengal

Weather:

00-05N, 80E-100E      : Showers or thundershowers at most of the places.

05N-20N, 90E-100E   : Showers or thundershowers at most of the places.

Other sea areas           : Showers or thundershowers at several places.

Winds:

07N-13N, 85E-95E     : South-westerly/ (30-50) kmph. Gusting up to (60-70) kmph

05N-15N, 80E-85E     : South-westerly/ (30-40) kmph. Gusting up to (50-60) kmph

13N-17N, 85E-95E     : South-westerly/ (30-40) kmph. Gusting up to (50-60) kmph

Other sea areas            : Southerly to South-westerly / (20-40) kmph.

 

Sea State:

 

07N-13N, 85E-95E     : Rough, very rough at times.

05N-15N, 80E-85E     : Fairly rough, rough at times.

13N-17N, 85E-95E     : Fairly rough, rough at times.

Other sea areas           : Moderate.

 

 

Arabian Sea

 

 

 

Weather:

00-04N, 65E-80E        : Showers or thundershowers at most of the places.

Other sea areas           : Mainly fair weather.

 

 

Winds:

05N-10N, 77E-80E     : Westerly to South westerly / (30-40) kmph; gusting up to (50-55) kmph

10N-15N, 60E-75E     : Westerly to North westerly / (20-40) kmph.

03N-10N, 73E-77E     : North westerly to Westerly / (30-40) kmph.

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

 

Sea State:

05N-10N, 77E-80E     : Fairly rough, rough at times.

10N-15N, 60E-75E     : Moderate

03N-10N, 73E-77E     : Moderate, fairly rough at times.

Other sea areas            : Slight to Moderate.

 

South Indian sea area

Weather:

00-05S, 60E-100E      : Showers or thundershowers at most of the places.

05S-10S, 60E-70E      : Showers or thundershowers at most of the places.

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

 

Winds:

05S-10S, 80E-100E    : South-easterly / (30-40) kmph; gusting up to (50-60) kmph.

02S-05S, 85E-95E      : South-easterly / (30-40) kmph; gusting up to (50-60) kmph.

05S-10S, 60E-80E     : South-easterly / (20-40) kmph.

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

 

Sea State:

 

05S-10S, 80E-100E    : Fairly rough, rough or very rough at times.

02S-05S, 85E-95E      : Fairly rough, rough or very rough at times.

05S-10S, 60E-80E     : Moderate to fairly rough.

Other sea areas            : Moderate.

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

 

Duty-Meteorologist

Department of Meteorology