BADAN METEOROLOGI,
KLIMATOLOGI DAN GEOFISIKA
Indonesian Weather Bulletin for Shipping
( Metarea XI)
BMKG Jakarta, Monday 19 October 2026 At 1200 UTC
Part I : Warning
TC CHAMPI 935 HPA AT 14.3N 138.5 E MAXIMUM WIND 105KT MOVE TO WNW
Part II : General Synopsis
Monday 19 October 2026 at 00 UTC SOUTHEASTERLY TO SOUTHWESTERLY GENTLE TO FRESH FLOW IN THE NORTHERN PART OF INDONESIA EASTERLY TO SOUTHEASTERLY GENTLE TO FRESH FLOW IN THE SOUTHERN PART OF INDONESIA
Part III : Area Forecasts
Valid until Tuesday 20 October 2026 at 12 UTC
MALACCA STRAIT
Northeasterly
5-8 kt
Slight Sea
INDIAN OCEAN WESTERN OF ACEH
Westerly
1-14 kt
Moderate Sea
INDIAN OCEAN WESTERN OF LAMPUNG
Southeasterly
15-18 kt
Rough Sea
INDIAN OCEAN SOUTHERN OF JAVA
Southeasterly
15-18 kt
Rough Sea
INDIAN OCEAN SOUTHERN OF BALI
Northerly
7-10 kt
Rough Sea
NORTH NATUNA SEA
Northerly
1-10 kt
Slight Sea
KARIMATA STRAIT
Northeasterly
1-12 kt
Slight Sea
JAVA SEA
Southeasterly
5-14 kt
Slight Sea
MAKASSAR STRAIT
Southeasterly
4-14 kt
Slight Sea
BALI SEA
Northeasterly
1-18 kt
Moderate Sea
SUMBAWA SEA
Easterly
1-17 kt
Moderate Sea
FLORES SEA
Northeasterly
1-11 kt
Slight Sea
BANDA SEA
Southeasterly
2-14 kt
Slight Sea
CERAM SEA
Northerly
1-15 kt
Slight Sea
SULAWESI SEA
Westerly
6-15 kt
Moderate Sea
MOLLUCA SEA
Southwesterly
3-16 kt
Moderate Sea
WESTERN PART OF PACIFIC OCEAN
Northwesterly
2-15 kt
Moderate Sea
ARAFURA SEA
Easterly
4-18 kt
Slight Sea
⚠️ Important Notes
Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the significant height
Reference Scales
Beaufort Wind Scale
| Force | Description | Speed (knots) |
|---|---|---|
| 0 | Calm | < 1 |
| 1 | Light air | 1-3 |
| 2 | Light breeze | 4-6 |
| 3 | Gentle breeze | 7-10 |
| 4 | Moderate breeze | 11-16 |
| 5 | Fresh breeze | 17-21 |
| 6 | Strong breeze | 22-27 |
| 7 | Near gale | 28-33 |
| 8 | Gale | 34-40 |
| 9 | Strong gale | 41-47 |
Douglas Sea Scale
| Grade | Description | Height (m) |
|---|---|---|
| 0 | Calm (Glassy) | 0 |
| 1 | Calm (Rippled) | 0-0.1 |
| 2 | Smooth | 0.1-0.5 |
| 3 | Slight | 0.5-1.25 |
| 4 | Moderate | 1.25-2.5 |
| 5 | Rough | 2.5-4 |
| 6 | Very rough | 4-6 |
| 7 | High | 6-9 |
| 8 | Very high | 9-14 |
| 9 | Phenomenal | >14 |
KONTAK KAMI :
Jl. Angkasa I No.2 Kemayoran, Jakarta Pusat 10610, PO Box 3540 Jkt.
Call Center (021) 196
Fax (021) 4246703
cc196@bmkg.go.id
TAUTAN :
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