India Meteorological Department/ भारत मौसम विज्ञान विभाग

ACWC KOLKATA / ए .सी .डब्लू .सी कोलकाता

Sea Area Bulletin

Bulletin Valid for 12 hrs from 21 UTC of 2026-07-04 to 09 UTC of 2026-07-05

 
TTT Warning No Storm Warning.

 
Synoptic Situation The Well Marked Low Pressure Area over Northwest Bay of Bengal & adjoining north Odisha West Bengal coasts persisted over the same region at 1430 hrs IST of today, 04th July, 2026. The associated cyclonic circulation extends upto 9.4 km above mean sea level tilting southwestwards with height. It is very likely to move west-northwestward across north Odisha and north Chhattisgarh during next 3 days. The seasonal trough at mean sea level from southwest Rajasthan to the centre of Well Marked Low Pressure Area over Northwest Bay of Bengal & adjoining north Odisha-West Bengal coasts across Madhya Pradesh, north Chhattisgarh, north Odisha extending upto 1.5 km above mean sea level persists. Southwest Monsoon Moderate to Strong over Westcentral & NorthWest Bay of Bengal; Moderate over Northwest, Eastcentral, South Bay of Bengal & Andaman Sea.

 
South West Bay
Wind Mainly Southwesterly, 15 - 20 kts
Weather Scattered rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Slight to Moderate

South East Bay
Wind Mainly Southwesterly, 15 - 20 kts
Weather Scattered rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Slight to Moderate

West Central Bay
Wind Mainly Southwesterly, 20 - 25 kts gusting 30 kts
Weather Widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Moderat to Rough occasionally Very Rough

East Central Bay
Wind Mainly Southwesterly, 15 - 20 kts gusting 30 kts
Weather Fairly widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Slight to Moderate occasionally very Rough

North West Bay
Wind Cyclonic, 20 - 25 kts gusting 30 kts
Weather Widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Moderat to Rough occasionally Very Rough

North East Bay
Wind Southeast to Southerly, 15 - 20 kts gusting 30 kts
Weather Widespread rain or thundershowers
Visibility Good becoming Moderate in rain/thundershower
Sea Condition Slight to Moderate occasionally very Rough

South Andaman Sea
Wind Mainly Southwesterly, 15 - 20 kts gusting 25 kts
Weather Fairly widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Slight to Moderate occasionally Rough

North Andaman Sea
Wind Mainly Southwesterly, 15 - 20 kts gusting 30 kts
Weather Widespread rain or thundershowers with isolated heavy rain
Visibility Moderate becoming Poor in heavy rain/thundershower
Sea Condition Slight to Moderate occasionally very Rough

Part 4 Surface Chart

Part 5 NIL

Part 6 00500 99942 806 21496 80902 10276, 895 21495 70502 10274, 901 21496 81403 10280, 976 21495 80000 10260, 99943 049 21496 82305 10252, 053 21495 82308 10262, 105 21596 82508 10262, 150 21496 82308 10256, 185 21596 72502 10268, 245 32596 72502 10308, 279 22596 72505 10290, 346 32596 82503 10272,

Time of Issue06:30 IST of 2026-07-05