Marine forecast issued by the Solomon Islands Meteorological Service and valid for the next 24 hours from 4:00pm this afternoon on Wednesday, 10 September 2025.
General Situation
A general easterly wind flow persists over the Solomon Islands.
Marine Warnings
Refer to Strong Wind Warning.
Forecast for the Western Region (Western, Choiseul and Isabel provinces)
Easterly winds at 10 to 20 knots with slight to moderate seas and low southeast swells. Scattered showers and thunderstorms. Further Outlook for Friday: Easterly winds 05 to 15 knots and low southeast swells.
Forecast for the Central Region (Malaita, Guadalcanal and Central provinces)
Easterly winds at 15 to 25 knots with moderate to rough seas and moderate southeast swells. Isolated showers and thunderstorms. Further Outlook for Friday: Easterly winds at 05 to 15knots and low southeast swells.
Forecast for the Eastern Region (Makira, Temotu and Rennell/Bellona provinces)
Easterly winds at 20 to 25 knots with moderate to rough seas and moderate southeast swells. Isolated showers and thunderstorms. Further Outlook for Friday: Easterly winds at 10 to 20 knots and low southeast swells.
Forecast for Honiara port & surrounding areas
Northeast to east winds at 10 to 15 knots reaching 20 knots at times with slight seas. Fine apart from a few showers. Further Outlook for Friday: Easterly winds at 10 to 15 knots.
Tidal Prediction for Honiara
High tide will be at 6:42pm this evening (0.73m)
Low tide will be at 01:30am early tomorrow morning (0.40m)
Tidal Prediction for Lata
High tide will be at 5:50pm this afternoon (1.50m)
Low tide will be at 12:02am after midnight tonight (0.26m)
Next high tide will be at 06:09am tomorrow morning (1.28m)
Tidal Prediction for Taro
High tide will be at 5:14pm this afternoon (1.45m)
Low tide will be at 11:17pm tonight (0.32m)
Next high tide will be at 05:18am tomorrow morning (1.22m)
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. | |||