Marine forecast issued by the Solomon Islands Meteorological Service and valid for the next 24 hours from 7:00am this morning on Monday, 23 June 2025.
General Situation
A general southeast trade wind flow persists over the Solomon Islands.
Marine Warnings
Refer to Strong Wind Warning.
Forecast for the Western Region (Western, Choiseul and Isabel provinces)
Southeast to east winds at 10 to 15 knots with slight seas and low southeast swells. Scattered showers and isolated thunderstorms. Further Outlook for Wednesday: Easterly winds at 05 to 15 knots and slight seas.
Forecast for the Central Region (Malaita, Guadalcanal and Central provinces)
Southeast to east winds at 15 to 25 knots with moderate to rough seas and moderate southeast swells. Scattered showers and isolated thunderstorms. Further Outlook for Wednesday: Southeast to east winds at 10 to 15 knots and low to moderate southeast swells.
Forecast for the Eastern Region (Makira, Temotu and Rennell/Bellona provinces)
Southeast winds at 20 to 25 knots, reaching 30 knots at times with moderate to rough seas and moderate southeast swells. Scattered showers and isolated thunderstorms. Further Outlook for Wednesday: Southeast winds at 10 to 20 knots and low to moderate southeast swells.
Forecast for Honiara port & surrounding areas
Easterly winds at 10 to 20 knots with slight to moderate seas. Fine apart from a few showers and possible isolated thunderstorms. Further Outlook for Wednesday: Easterly winds at 10 to 15 knots.
Tidal Prediction for Honiara
Low tide will be at 11:29am later this morning (0.10m)
High tide will be at 01:33am early tomorrow morning (0.92m)
Tidal Prediction for Lata
Low tide will be at 09:01am this morning (0.18m)
High tide will be at 3:06pm this afternoon (1.05m)
Tidal Prediction for Taro
Low tide will be at 10:30am later this morning (0.01m)
High tide will be at 4:43pm this afternoon (1.10m)
The next update will be issued at 4:00pm this afternoon.
*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. | |||