The hurricane season in the Caribbean normally runs from June to November. You can monitor approaching storms on the US National Hurricane Centre website. In the event of any storms, you should follow the advice of the local authorities, including any evacuation orders. See Natural disasters
The island was severely affected by the passage of Hurricanes Irma and Maria in September 2017. Many buildings were destroyed and parts of St Maarten were affected by flooding. Commercial airlines are operating albeit with limited capacity.
St. Maarten is used as a drug passageway from South America to Europe and North America. Do not leave bags unattended or agree to carry a package for anyone. See Crime
UK health authorities have classified St Maarten as having a risk of Zika virus transmission. For information and advice about the risks associated with Zika virus, visit the National Travel Health Network and Centre website.
Although there’s no recent history of terrorism in St Maarten, attacks can’t be ruled out. See Terrorism
If you’re in St Maarten and you need emergency help from the UK government, contact the nearest British embassy, consulate or high commission.
If you need to contact the emergency services in the Dutch part of the island, call 911 (police), 912 (ambulance), 919 (fire) or 913 (Coastguard).
Take out comprehensive travel and medical insurance before travelling.