Marine forecast issued by the Solomon Islands Meteorological Service and valid for the next 24 hours from 4:00pm this afternoon on Wednesday, 22 October 2025.
General Situation
A trough lies over the Solomon Islands.
Marine Warnings.
NIL.
Forecast for the Western Region (Western, Choiseul and Isabel provinces)
Northeast to east winds at 05 to 15 knots with smooth to slight seas. Scattered showers and thunderstorms. Further Outlook for Friday: Easterly winds at 10 to 20 knots.
Forecast for the Central Region (Malaita, Guadalcanal and Central provinces)
Northeast to southeast winds at 05 to 15 knots with smooth to slight seas. Scattered showers and thunderstorms. Further Outlook for Friday: Easterly winds at 10 to 20 knots.
Forecast for the Eastern Region (Makira, Temotu and Rennell/Bellona provinces)
Northeast to southeast at 10 to 15 knots with slight seas. Scattered showers with rain areas and thunderstorms. Further Outlook for Friday: Easterly winds at 10 to 20 knots.
Forecast for Honiara port & surrounding areas
East to northeast winds at 05 to 15 knots with smooth to slight seas. A few showers and isolated thunderstorms. Further Outlook for Friday: East to southeast winds at 10 to 15 knots.
Tidal Prediction for Honiara
High tide will be at 4:27pm this afternoon (0.86m)
Low tide will be at 12:02am after midnight tonight (0.22m)
Tidal Prediction for Lata
High tide will be at 04.23pm this afternoon (1.50m)
Low tide will be at 10:49pm tonight (0.26m)
Tidal Prediction for Taro
High tide is at 3.44pm this afternoon (1.53m)
Low tide will be at 10:16pm tonight (0.25m)
The next update will be issued at 7:00am tomorrow morning.
| 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. | |||
