AFTERNOON WARNING: Heavy rain with thunderstorms expected between 14:00–18:00 WITA, accompanied by strong winds.
High waves forecast in southern waters. Travel disruptions possible.
This alert follows a day of extreme weather on 15 December, when parts of Bali experienced flooding, fallen trees, and hazardous road conditions after prolonged heavy rainfall. Authorities warn that saturated ground and already strained drainage systems may increase today’s risk of flash floods and wind-related incidents.
1. Forecast Summary & RealFeel
A quick overview of actual temperature, perceived heat, and peak rain timing.
| Parameter | Today’s Forecast | Key Notes |
|---|---|---|
| Air Temperature | 24°C – 31°C | Peak temperature around 12:00 WITA |
| RealFeel Temperature | Up to 34°C | High humidity will increase heat stress |
| Peak Rain Window | 14:00 – 18:00 WITA | Outdoor activities not recommended |
| Wind Speed | 15 – 35 km/h | Strong westerly winds possible |
2. Regional Weather Forecast (Key Tourist Areas)
Detailed conditions across Bali’s main visitor zones.
| Key Zone | Today’s Dominant Conditions | Impact / Advisory |
|---|---|---|
| Kuta, Seminyak, Canggu | Cloudy with possible moderate rain in the afternoon | Watch for road flooding, especially in Canggu and Seminyak after 16:00 WITA |
| Ubud (Central Highlands) | Heavy rain from midday into the evening | Highest risk area. Potential landslides and trekking route closures |
| Uluwatu, Nusa Dua (South) | Mostly cloudy, occasional light rain | Strong winds along cliff areas. Dangerous sea conditions below |
| Denpasar, Sanur (Urban Areas) | Moderate rain between 14:00–18:00 WITA | Expect traffic congestion and fast-forming street flooding |
3. High-Risk Zones (BMKG-Based Advisory)
Flood and Landslide Risk
- Central Bali highlands: Baturiti, Bedugul, Bangli, Karangasem
- Flash flood risk in low-lying areas: East Denpasar, Kuta, Seminyak
Falling Trees Risk
- Strong winds expected island-wide
- Avoid parking near large trees and billboards
- Extra caution along Ngurah Rai Bypass Road
Marine Restrictions
- Wave heights up to 3.0 meters in the Indian Ocean
- Open-water swimming and diving are not advised
4. Maritime and Coastal Conditions
| Area | Conditions | Advisory |
|---|---|---|
| Southern Coast (Uluwatu, Nusa Dua) | Hazardous waves (2.5–3.0 m) | For professional surfers only, with extreme caution |
| Fast Boat Routes (Sanur–Nusa Penida / Lombok) | Possible delays or cancellations | Confirm directly with operators before departure |
5. Practical Guidance for Today
| Condition | Recommended Action |
|---|---|
| Heavy Rain (14:00–18:00) | Plan indoor activities. Use cars or ride-hailing services if travel is necessary. Avoid motorbikes. |
| High Heat (11:00–14:00) | Use SPF 30+ sunscreen, drink at least 3 liters of water, limit sun exposure |
| Power and Connectivity | Prepare power banks and keep phones fully charged |
| General Safety | Check live traffic and road conditions to avoid flooded or blocked routes |
HEY BALI WEATHER NOTE
Weather conditions during the rainy season can change rapidly. Travelers and residents are advised to follow official updates and prioritize safety over schedules.
6. Safety Advice for Expats and Tourists in Bali
For Long-Stay Expats
Guidance for residents and long-term visa holders.
With heavy rain and strong winds expected this afternoon, long-stay expats are advised to take additional precautions, particularly if commuting or working remotely.
- Adjust work and travel schedules to avoid the 14:00–18:00 WITA peak rain period.
- Avoid using motorbikes during storms due to poor visibility and slippery road conditions.
- Monitor drainage around homes and residential areas, especially in low-lying neighborhoods.
- Secure balconies, rooftops, and outdoor items against strong winds.
- Prepare for possible power or internet disruptions by charging devices and saving essential documents offline.
- Follow official updates from BMKG and local authorities throughout the day.
For Short-Term Tourists
Essential safety guidance for visitors and holidaymakers.
Visitors are encouraged to simplify travel plans and prioritize safety as weather conditions may change rapidly.
- Avoid sightseeing, road trips, and excursions during the afternoon storm window.
- Do not attempt to cross flooded roads or bridges, even if they appear passable.
- Postpone beach activities, swimming, snorkeling, and boat trips due to hazardous sea conditions.
- Choose indoor activities such as cafés, spas, shopping areas, or museums during heavy rain.
- Keep accommodation details and emergency contact information easily accessible.
Key Reminder
During Bali’s rainy season, conditions can escalate quickly. When in doubt, delay plans. Personal safety should always come before schedules or activities.
Data Sources & Forecast Models
This daily weather report is compiled using multiple trusted sources to ensure accuracy and relevance for Bali residents and visitors:
- BMKG (Indonesia’s Meteorology, Climatology, and Geophysics Agency): Official early warnings and disaster risk assessments
- Windy.com: Wind patterns, wave height visualization, and rainfall radar
- AccuWeather: RealFeel temperature and hour-by-hour forecasts
- The Weather Channel / Weather Underground: Community-based observations and hyperlocal weather accuracy
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