| Green - No warnings |
| Yellow - The weather is potentially dangerous |
| Orange - The weather is dangerous |
| Red - The weather is very dangerous |
| Marine forecast warning |
| Heat wave warning - no warning |
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| Region | Awareness type | Hours | 00 | 03 | 06 | 09 | 12 | 15 | 18 | 21 | 24 | More | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Osijek region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 05:00:00 until 11.09.2026 17:00:00 | Awareness Level: Yellow Heavy thundershowers locally possible. Rainfall > 20 mm STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Zagreb region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 08:00:00 | Awareness Level: Yellow Heavy thundershowers locally possible. Rainfall > 20 mm STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Karlovac region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 08:00:00 | Awareness Level: Yellow Heavy thundershowers locally possible. Rainfall > 20 mm STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Gospić region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 12:00:00 | Awareness Level: Yellow Heavy rain locally. Rainfall > 50 mm STAY ALERT and be aware of the possibility of localised flooding of a minor number of buildings and local interruption in outdoor activities. Difficult driving conditions are expected due to reduced visibility and wet roads. | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 08:00:00 | Awareness Level: Yellow Thundershowers locally possible. Lightning risk > 60 % STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Knin region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 17:00:00 | Awareness Level: Yellow Thunderstorms possible locally. Rainfall > 30 mm; Lightning risk > 60 % STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Rijeka region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 12:00:00 | Awareness Level: Yellow Thundershowers locally possible. Lightning risk > 50 % STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Split region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 18:00:00 | Awareness Level: Yellow Thunderstorms possible locally. Rainfall > 30 mm; Lightning risk > 60 % STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible. | |||||||||||||||||||||||||||||
| Dubrovnik region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 07:00:00 until 11.09.2026 23:59:59 | Awareness Level: Orange Severe thunderstorms possible locally. Rainfall > 60 mm; Lightning risk > 60 % BE PREPARED for heavy thunderstorms that may cause heavy damage, and protect yourself from lightning. Property damage and tree damage are possible. Local flash floods, storm gusts are hail are possible. Interruptions in outdoor activities and in traffic are possible. | |||||||||||||||||||||||||||||
| Coastal wind warnings for Croatian Adriatic climate regions | |||||||||||||||||||||||||||||
| West Istrian coast | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 21:00:00 until 11.09.2026 23:59:59 | Awareness Level: Yellow Locally fresh NE breez IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling. | |||||||||||||||||||||||||||||
| Kvarner i Kvarneric | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 18:00:00 until 11.09.2026 23:59:59 | Awareness Level: Yellow Locally strong NE breeze. Maximum wind gusts 35-45 knots (65-85 km/h) IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling. | |||||||||||||||||||||||||||||
| Velebit channel | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 23:59:59 | Awareness Level: Yellow Locally strong NE wind. Maximum wind gusts 35-50 knots (65-95 km/h) IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling. | |||||||||||||||||||||||||||||
| North Dalmatia region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 08:00:00 | Awareness Level: Yellow Fresh NE breeze possible. Maximum wind gusts 35-40 knots (65-75 km/h) IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling. | |||||||||||||||||||||||||||||
| Middle Dalmatia region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 10:00:00 | Awareness Level: Yellow Strong SE wind possible. Maximum wind gusts 35-40 knots (65-75 km/h) IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling. | |||||||||||||||||||||||||||||
| South Dalmatia region | |||||||||||||||||||||||||||||
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Valid from 11.09.2026 00:00:00 until 11.09.2026 12:00:00 | Awareness Level: Yellow Locally strong SE wind. Maximum wind gusts 35-40 knots (65-75 km/h) IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling. | |||||||||||||||||||||||||||||
| Marine forecast warning |
| Heat wave warning - no warning |
Heavy thundershowers locally possible. Rainfall > 20 mm
Thunderstorms possible locally. Rainfall > 30 mm; Lightning risk > 60 %
Thunderstorms possible locally. Rainfall > 30 mm; Lightning risk > 60 %
Severe thunderstorms possible locally. Rainfall > 60 mm; Lightning risk > 60 %
Locally fresh NE breez
Locally strong NE breeze. Maximum wind gusts 35-45 knots (65-85 km/h)
Locally strong NE wind. Maximum wind gusts 35-50 knots (65-95 km/h)
Fresh NE breeze possible. Maximum wind gusts 35-40 knots (65-75 km/h)
Strong SE wind possible. Maximum wind gusts 35-40 knots (65-75 km/h)
Locally strong SE wind. Maximum wind gusts 35-40 knots (65-75 km/h)
