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WARNING

20-05-2018

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ADVISORY

2018-05-20

WEATHER FORECAST FOR MULTIDAY BOATS

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

(Issued at 07.00 a.m. on 20th May 2018, for next three days)

Sea areas around the island

Windy conditions in the sea areas around island and showery condition in the sea area to the South-west of island are expected to enhance today.

Showers or thundershowers will occur at times in the sea areas off the coast extending from Puttalam to Hambantota via Colombo and Galle. Heavy showers can be expected at some places in the above sea area.

Showers or thundershowers will occur several places in the other sea areas.

Winds will be Westerly to South-westerly in direction in the sea areas around the island and speed will be 30-40 kmph.

Sea area extending from Puttalam to Kankasanturai via Mannar and from Mathara to Potuvil via Hambantota can be rough at times as the wind speed can increase up to 60 kmph at times.

Temporarily very strong gusty winds (up to 70-80 kmph)and rough seas can be expected during thundershowers.

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

Bay of Bengal

There is a possibility to develop a low pressure system between 07N-12N, 80E-90E after 22nd of May 2018

Weather:

00-11N, 80E-90E        : Showers or thundershowers at times

Other sea areas           : Showers or thundershowers at several places

Winds:

00-10N, 90E-100E     : Westerly or Variable/ (15-25) kmph

00-07N, 80E-87E      : South-westerly / (20-40) kmph, gusting up to 60kmph

Other sea areas         : South-westerly / (20-40) kmph, gusting up to 50kmph

Sea State:

00-10N, 90E-100E     : Slight to moderate

00-07N, 80E-87E       : Moderate to fairly rough, Rough at times

Other sea areas           : Slight to Moderate, Fairly rough at times

Arabian sea area

A low pressure area will be developed in between 06N-12N, 60E-73E after 22nd of May 2018

Weather:

00-10N, 60E-80E        : Showers or thundershowers at times

Other sea areas           : Showers or thundershowers at a few places

Winds:

00-10N, 70E-80E        : South-westerly / (20-40) kmph, gusting up to 60kmph

00N-15N, 60E-70E     : Anticlockwise/ (20-40) kmph

Other sea areas           : Variable/ (10-20) kmph

Sea State:

00-10N, 70E-80E        : Moderate to fairly rough, Rough at times

00N-15N, 60E-70E     : Moderate

Other sea areas           : Slight to moderate

South Indian sea area

Weather:

00-10S, 60E-100E      : Showers or thundershowers at several places

Winds:

00-10S, 60E-100E      : South-easterly / (20-30) kmph, gusting up to 50kmph

Sea State:

00-10S, 60E-100E      : Moderate, fairly rough at times

**Temporarily strong gusty winds and rough seas can be expected in the sea areas during thundershowers.