Marine forecast issued by the Solomon Islands Meteorological Service and valid for the next 24 hours from 4:00pm this afternoon on Sunday, 11 May 2025.
General Situation
An active trough lies just south of the Solomon Islands and links to a tropical low located south of Western province.
Marine Warnings
Refer to Strong wind Warning.
Forecast for the Western Region (Western, Choiseul and Isabel provinces)
Northwest to north winds at 15 to 25 knots with moderate to rough seas and moderate southerly swells over waters south of Western province. Scattered showers and thunderstorms. Further Outlook for Tuesday: Northwesterly winds at 20 to 25 knots and low to moderate southeast swells.
Forecast for the Central Region (Malaita, Guadalcanal and Central provinces)
Northwesterly winds at 10 to 15 knots with slight seas and low to moderate southerly swells over waters south of Guadalcanal. Scattered showers and thunderstorms. Further Outlook for Tuesday: Northwesterly winds at 15 to 20 knots and low to moderate southeast swells.
Forecast for the Eastern Region (Makira, Temotu and Rennell/Bellona provinces)
Northwest to southwest at 10 to 15 knots with slight sea and low to moderate southeast swells. Scattered showers and isolated thunderstorms. Further Outlook for Tuesday: Northwest to northeast winds at 10 to 20 knots and low to moderate southeast swells.
Forecast for Honiara port & surrounding areas
Northwest to northeast winds at 05 to 15 knots with smooth to slight seas. Some showers and thunderstorms. Further Outlook for Tuesday: North to northwest winds at 15 to 20 knots.
Tidal Prediction for Honiara
High tide will be at 03:40am early tomorrow morning (0.92m)
Low tide will be at 11:44am tomorrow morning (0.25m)
Tidal Prediction for Lata
Low tide will be at 9:14pm this tonight (0.44m)
High tide will be at 03:44am early tomorrow morning (1.46m)
Next low tide will be at 10:15am later tomorrow morning (0.24m)
Tidal Prediction for Taro
Low tide will be at 8:21pm tonight (0.48m)
High tide will be at 03:06am early tomorrow morning (1.52m)
Next low tide will be at 09:55am later tomorrow morning (0.30 m)
The next update will be issued at 7:00am tomorrow morning.
Marine forecasts for coastal waters up to 60 nautical miles (nm) sea ward.
| Term | Wave/sea height | Term | Wave/sea heights |
| smooth seas | 1 – 2 ft (0.3 – 0.6 m) | moderate seas | 5 – 8 ft, (1.5 – 2.5 m) |
| Slight seas | 2 – 5 ft (0.6 – 1.5 m) | rough seas | 11 –12ft (2.5 – 3.5 m) |
| Low swells= 0-2 m (6 ft) moderate swells =2 – 4 m (6 – 13 ft) heavy swells = over 4 m (over 13 ft) | |||
| Wind speeds quoted are the expected average speeds. Individual gusts may exceed these values by a factor of up to 1.5. Wave heights are significant wave height, which may be accompanied by individual waves 1.5 to 2.0 times higher. Be aware that these estimates of wind waves/swells do not take into account the enhancing effects of the local sea currents. | |||