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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 at 07.00 a.m. on 21 January 2021, for next three days)

 

 

Sea areas around the island

Several spells of showers will occur over sea areas extending from Kalutara to Matara via Galle. Showers will occur at a few places in the other sea areas around the island.

Winds will be North-easterly in the sea areas around the island. Wind speed will be (30-40) kmph in the sea areas extending from Colombo to Kankasanthurai via Puttalam and wind speed can increase up to 50 kmph at times. Wind speed will be (10-20) kmph in other sea areas around the island.

The sea area extending from Colombo to Kankasanthurai via Puttalam can be rough at times. Other sea areas around the island will be moderate.

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

Bay of Bengal

 

 

Weather:

00-05N, 87E-100E      :Showers or thundershowers at several places.

04N-20N, 80E-87E     :Mainly fair weather.

12N-20N, 87E-100E   :Mainly fair weather

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

Winds:

04N-12N, 80E-100E  : North-easterly / (30-40) kmph

00-04N, 80E-100E    : Northely toNorth-westerly / (20-35) kmph

Other sea areas            : North-westerly toNorth-easterly / (15-25) kmph

 

Sea State

04N-12N, 80E-100E   : Modeate to fairly rough

00-04N, 80E-100E      : Moderate.

Other sea areas            : Slight to moderte

 

Arabian Sea

 

Weather:

00-07N, 60E-72E        : Showers or thundershowers at several places

00-03N, 72E-80E        : Showers or thundershowers at a few places

Other sea areas            : Mainly fair weather.

Winds:

00-10N, 60E-80E        : North-easterly to North-westerly / (30-40) kmph

10N-20N, 60E-72E     : North-easterly/ (25-35) kmph

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

Sea State:

00-10N, 60E-80E        : Moderate to fairly rough.

10N-20N, 60E-72E     : Modeate

Other sea areas            : Slight to moderate

 

 

 

South Indian sea area

Weather:

06S -10S, 60E-65E     : Showers or thundershowers at most places

05S -10S, 78E-92E     : Showers or thundershowers at most places

04S -10S, 65E-78E    : Showers or thundershowers at several places

02S -05S, 80E-100E  : Showers or thundershowers at a few places

Other sea areas            : Mainly fair weather

Winds:

07S-10S, 60E-73E      : Variable / (15-30) kmph

00-10S, 83E-100E      : Westerly to North-westerly / (30-40) kmph; gusting up to (50-60) kmph

Other sea areas            : North-westerly / (20-30) kmph, gusting up to 50 kmph

Sea State:

07S-10S, 60E-73E      : Slight to moderate.

00-10S, 83E-100E      :Fairly rough to rough.

Other sea areas            : Moderate to fairly rough.

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

 

Duty-Meteorologist

Department of Meteorology