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  4. Multi-day Boats Forecast

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Weather and Climate Data

 

 

Multi-day Boats Forecast

WEATHER FORECAST FOR MULTI-DAY BOATS

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

(Issued at 07.00 a.m. on 23 July 2023, for next 24hours)

Sea areas around the Island

Condition of Rain:

Showers or thundershowers may occur at several places in the sea areas off the coast extending from Colombo to Matara via Galle. 

Winds:

Winds will be south-westerly and speed will be (30-40) kmph.   

Wind speed may increase up to (50-60)kmph at times in the sea areasoff the coast extending from Hambantota to Pottuvil and in the sea areas off the coast extending from Chilaw to Trincomalee via Mannar and Kankasanthurai.  Wind speed may increase up to 50kmph at times in the sea areasoff the coast extending from Chilaw to Hambantota via Colombo, Galle and Matara.

State of Sea:

The sea areasoff the coast extending from Trincomalee to Pottuvil via Kankasanthurai, Mannar, Colombo, Galle and Hambanthota will be rough at times. The other sea areas around the island may be moderate.

Increase of swell wave heights(about 2.0 -2.5m) can be expected in the sea areasoff the coast extending from Mannarto Pottuvil via Colombo, Galle and Hambantota.

Temporarily strong gusty winds and very rough seas can be expected during thundershowers.

Bay of Bengal

Weather:

10N - 20N, 80E-100E   : Showers or thundershowers at most places.

03N-10N, 87E-100E : Showers or thundershowers at several places.

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

Winds:

05N– 20N, 80E-100E   : South-westerly / (30-40) kmph, gusting up to (50-60) kmph.

Other sea areas      : Southerly to South-westerly / (30-40) kmph.

State of the Sea:                                                                                

03N– 20N, 80E-100E   : Fairly rough, rough at times.

Other sea areas      : Slight to moderate.  

Arabian Sea

Weather:

10N -20N, 70E-77E  : Showers or thundershowers at most places.

04N -10N, 65E-80E  : Showers or thundershowers at several places.

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

Winds:

05N-20N, 60E-75E       : South-westerly / (35-45) kmph, gusting up to (60-70) kmph.

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

Other sea areas      : South-westerly to Westerly / (30-40) kmph.

State of the Sea

05N-20N, 60E-75E   : Rough, Very rough at times.

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

Other sea areas      : Slight to moderate.  

South Indian Ocean:

Weather: 

EQ-08S, 70E-100E   : 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, gusting up to (50-60)kmph.

EQ-03S, 60E-80E     :South-easterly/ (30-40) kmph

Other sea areas      : South-easterly to Southerly / (20-30) kmph.

State of the Sea:

03S-10S, 60E-100E  : Fairly rough, rough at times.

Other sea areas       : Slight to Moderate.

        

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

Duty-Meteorologist

Department of Meteorology

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