GMDSS BULLETIN II 251800
ISSUED BY: INDIA METEOROLOGICAL DEPARTMENT, NEW DELHI
HIGH SEA FORECAST FOR MET. AREA VIII (N)
AREA OF COVERAGE: AREA OF THE INDIAN OCEAN ENCLOSED BY LINES FROM THE
INDO-
PAKISTAN FRONTIER AT 23O45\U2019N 68 DEG E TO 00 DEG N 6 DEG E, THECE
TO CAPE
GARDAFUI; THE EAST AFRICAN COAST SOUTH TO THE EQUATOR, THENCE TO 95
DEG E, TO
6 DEG N, THENCE NORTH EASTWARDS TO MYANMAR/THAIL FRONTIER IN 10 DEG N
98 DEG
30\U2019E NORTHWARDS COVERING ENTIRE BAY OF BENGAL.
VALID FROM 18 UTC OF 25 TH JULY 2026 TO 12 UTC OF 27 TH JULY 2026.
PART-I STORM WARNING: NIL.
PART-II SYNOPTIC WEATHER SYSTEM AT 1200 UTC:
THE LOW PRESSURE AREA OVER NORTHWEST BAY OF BENGAL & ADJOINING
WEST BENGAL
COAST PERSISTED OVER THE SAME REGION AT 1430 HRS IST OF TODAY, 25TH
JULY 2026. THE
ASSOCIATED CYCLONIC CIRCULATION EXTENDED UPTO 9.4 KM ABOVE MEAN SEA
LEVEL. IT\U2019S
LIKELY TO MEANDER OVER THE SAME REGION AND BECOME MORE MARKED DURING
NEXT 2-3
DAYS.
PART-III AREA FORECAST:
AREA: ARB A1 (ARABIAN SEA)-EQUATOR TO 10 DEG N W OF 80 DEG E.
ARB A1-FORECAST VALID FROM 18 UTC OF 25 TH JULY 2026 TO 12 UTC OF 26
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/30 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 60 DEG E: FAIRLY WIDESPREAD RA/TS.
2) REST AREA: ISOLATED RA/TS.
IV) VISIBILITY: 1) E OF 60 DEG E: POOR.
2) REST AREA: GOOD.
ARB A1-FORECAST VALID FROM 12 UTC OF 26 TH JULY 2026 TO 12 UTC OF 27
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 10/25 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: FAIRLY WIDESPREAD RA/TS.
IV) VISIBILITY: POOR.
ARB A2-ARABIAN SEA: -23 DEG 45 MIN N 68 DEG E TO 00 DEG N 63 DEG E TO
CAPE GARDAFUI
TO N OF 10 DEG N. 55.
ARB A2-FORECAST VALID FROM 18 UTC OF 25 TH JULY 2026 TO 12 UTC OF 26
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/30 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 69 DEG E: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 69 DEG E: MODERATE.
2) REST AREA: GOOD.
ARB A2-FORECAST VALID FROM 12 UTC OF 26 TH JULY 2026 TO 12 UTC OF 27
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/W-LY 15/25 KTS.
II) WAVE HEIGHT: 2.0-4.0 MTR.
III) WEATHER: 1) E OF 68 DEG E TO THE S OF 22 DEG N: SCATTERED RA/TS.
2) REST AREA: FAIR.
IV) VISIBILITY: 1) E OF 68 DEG E TO THE S OF 22 DEG N: MODERATE.
2) REST AREA: GOOD.
BOB A3-BAY OF BENGAL: EQUATOR TO 10 DEG N BETWEEN E OF 80 DEG E WEST
OF 10
DEG N/98 DEG 30 MIN E TO 6 DEG N/95 DEG E THENCE S-WARDS TO EQUATOR.
BOB A3-FORECAST VALID FROM 18 UTC OF 25 TH JULY 2026 TO 12 UTC OF 26
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: SCATTERED RA/TS.
IV) VISIBILITY: MODERATE.
BOB A3-FORECAST VALID FROM 12 UTC OF 26 TH JULY 2026 TO 12 UTC OF 27
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW/S-LY 10/20 KTS.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB: A4: BAY OF BENGAL N OF 10 DEG N E OF 80 DEG E.
BOB A4-FORECAST VALID FROM 18 UTC OF 25 TH JULY 2026 TO 12 UTC OF 26
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS BEC CYCLONIC 05/15 KTS
AT 87 DEG E
AND 21 DEG N.
II) WAVE HEIGHT: 1.5-3.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
BOB A4-FORECAST VALID FROM 12 UTC OF 26 TH JULY 2026 TO 12 UTC OF 27
TH JULY 2026.
I) WIND DIRECTION AND SPEED: SW-LY 15/25 KTS BEC CYCLONIC 05/15 KTS
AT 87 DEG E
AND 20 DEG N.
II) WAVE HEIGHT: 1.5-4.0 MTR.
III) WEATHER: WIDESPREAD RA/TS.
IV) VISIBILITY: VERY POOR.
ADVISORY: PLEASE BE AWARE. WIND WAVE FORECASTS ARE AVERAGES. WIND
GUSTS
CAN BE 40 PER CENT STRONGER THAN THE FORECAST. MAXIMUM WAVE HEIGHT
CAN BE
TWICE THE FORECAST WAVE HEIGHT.
NEXT FORECAST WILL BE ISSUED AT 26/0800 UTC.=