Diving in the Solomon Islands in May

Conditions in May

So, you're eyeing the Solomon Islands for a dive trip in May? Excellent choice! May marks a sweet spot, sitting right at the tail end of the wet season and transitioning beautifully into the drier, calmer months. This means you get the best of both worlds: waters still brimming with nutrients from residual rains, fueling incredible marine activity, but with increasingly stable and pleasant surface conditions.

Weather-wise, you can expect warm, tropical days with average air temperatures hovering around 28-30°C (82-86°F). While occasional short, refreshing showers aren't out of the question as the season shifts, they rarely disrupt diving. Sea conditions are generally calm, especially as you move into the latter half of the month. Water temperatures are consistently balmy, ranging from a comfortable 28-30°C (82-86°F), so you'll be feeling great underwater.

Visibility during May is typically excellent. While plankton blooms, which can be prolific in May due to the transitioning season, might occasionally reduce visibility in some areas, generally you can expect 20-30 meters (65-100 feet), sometimes even more in open water and on outer reefs. Currents can vary from mild to strong, depending on the dive site and the lunar cycle, offering thrilling drift dives where conditions allow. Your liveaboard crew will always be adept at reading these and planning accordingly to maximize your experience.

What you will see

May in the Solomons is a feast for the eyes, particularly for those who love diversity. The nutrient-rich waters attract an incredible array of marine life. You’re practically guaranteed to encounter schools of barracuda, jacks, and fusiliers swirling around the reefs. Keep an eye out for grey reef sharks, whitetips, and blacktips patrolling the healthy coral gardens. Oceanic whitetips can also make appearances, especially on deeper dives or around outer atolls if you're lucky.

This transitional period is fantastic for pelagic encounters. While manta rays are often sighted year-round, May can be a particularly good month to see them feeding over cleaning stations, especially around areas like Munda and Marovo Lagoon. Eagle rays gracefully glide by, and if you’re diving in the Western Province, don’t be surprised to spot schooling mobula rays. For the macro enthusiasts, May doesn't disappoint either. Look closely for pygmy seahorses on gorgonian fans, an abundance of colourful nudibranchs, leaf fish, ghost pipefish, and various species of anemone fish nestled among their host anemones.

Wreck diving in the Solomons is legendary, and May conditions are perfect for exploring these historical sites. The clear, warm waters make penetrating wrecks like the Japanese transport ship 'Hirokawa Maru' a dream. You'll see these artificial reefs teeming with fish and corals, showcasing how nature reclaims man-made structures. The combination of thriving reefs, historical wrecks, and consistent pelagic action makes May a prime month to experience the full spectrum of Solomon Islands diving.

Top dive sites this month

For a truly epic May diving experience, you absolutely have to focus on the Western Province. Start with the Gizo area. Here, the renowned 'Toa Maru' wreck, a 140-meter Japanese transport ship, is an absolute must-do. In May, the visibility around Gizo is typically pristine, allowing you to appreciate the sheer scale of this intact wreck, brimming with cargo like sake bottles and medicine, and blanketed in healthy corals thriving with reef fish. Close by, 'Grand Central Station' is an exhilarating drift dive teeming with sharks, barracuda, and jacks – an ideal May spot when currents are favorable.

Moving onto Munda, you'll be spoiled for choice. 'Shark Point' lives up to its name, offering reliable shark sightings in May. For a historical dive, explore "Kashi Maru", another fantastic wrexck dive. But perhaps the crowning jewel for May in Munda is 'Japanese Zero', a perfectly preserved WWII fighter plane sitting upright on the seabed – a truly poignant and photogenic dive made even better by May’s clear waters. Further afield, the Marovo Lagoon, a UNESCO World Heritage site, offers some of the most vibrant coral gardens and walls. ‘Kicha’, a fantastic drift dive along the wall, promises encounters with pelagics against a backdrop of pristine hard and soft corals. This month, the calm waters of the lagoon provide ideal conditions for exploring these sheltered, biodiverse sites.

Practical tips for your trip

Considering the warm water temperatures of 28-30°C (82-86°F), a 3mm shorty or even just a rash guard and board shorts will be perfectly sufficient for most divers. If you’re prone to getting chilly on multiple dives or plan on longer dives, a full 3mm wetsuit would offer a bit more warmth and protection from minor scrapes. May is a fantastic month for divers of all experience levels. While some drift dives can be exhilarating, liveaboard operators are excellent at tailoring itineraries for various skill sets, offering both challenging and more relaxed dives.

Liveaboard availability in May tends to be good, as it's just before peak season kicks in fully. However, the Solomons are a niche destination, so booking well in advance with Blue Rides is always recommended, especially if you have specific dates or a particular boat in mind. What to pack? Besides your standard dive gear, don’t forget reef-safe sunscreen, a good hat, insect repellent for evenings on deck or island excursions, and a lightweight rain jacket – just in case of those opportunistic tropical showers. As for things to be aware of, the Solomon Islands are a genuine remote paradise. Embrace the slower pace, the authentic local culture, and be prepared for a truly unplugged experience. Connectivity can be limited, which for many, is part of the charm! Enjoy your unforgettable journey to this incredible diving haven.