Events
Olympic classes events
World championships
- 30 July – 12 August: 2018 Sailing World Championships in Aarhus, Denmark
Sailing World Cup
- 15 October 2017 – 10 June 2018: 2018 Sailing World Cup
- 21–28 January: Sailing World Cup Miami in Miami, United States
- Men's 470 winners:
Luke Patience & Chris Grube (GBR)[1] - Women's 470 winners:
Tina Mrak & Veronika Macarol (SLO)[2] - Men's 49er winners: Dylan Fletcher-Scott & Stuart Bithell (GBR)[3]
- Women's 49er FX winners:
Victoria Jurczok & Anika Lorenz (GER)[4] - Men's Finn winner: Giles Scott (GBR)[5]
- Men's Laser winner:
Tom Burton (AUS)[6] - Women's Laser Radial winner: Alison Young (GBR)[7]
- Mixed Nacra 17 winners: Jason Waterhouse & Lisa Darmanin (AUS)[8]
- Men's RS:X winner:
Louis Giard (FRA)[9] - Women's RS:X winner: Hélène Noesmoen (FRA)[10]
- Men's 470 winners:
- 22–29 April: Sailing World Cup Hyères in Hyères, France
- 3–10 June: Sailing World Cup Final in Marseille, France
- 21–28 January: Sailing World Cup Miami in Miami, United States
- 9 September 2018 – 2019: 2019 Sailing World Cup
- 9–16 September: Sailing World Cup Enoshima in Enoshima, Japan
Asian championships
- 24–30 June: 2018 Asian Sailing Championship in Jakarta, Indonesia.[11]
European championships
- 9–17 March: Finn European Championship in Cádiz, Spain[12]
: Edward Wright (GBR)
: 
Nicholas Heiner (NED)
: 
Max Salminen (SWE)
- 5–12 May: Laser European Championships in La Rochelle, France
- Men's Laser[13]
- :
Pavlos Kontides (CYP) - : Philipp Buhl (GER)
- : Michael Beckett (GBR)
- Women's Laser Radial[14]
- : Marit Bouwmeester (NED)
- : Maxime Jonker (NED)
- :
Emma Plasschaert (BEL)
- Men's Laser[13]
- 16–24 May: 470 European Championships in Burgas, Bulgaria
- Men's 470[15]
- : Anton Dahlberg & Fredrik Bergström (SWE)
- :
Panagiotis Mantis & Pavlos Kagialis (GRE) - : Malte Winkel & Matti Cipra (GER)
- Women's 470[15]
- : Tina Mrak & Veronika Macarol (SLO)
- : Frederike Loewe & Anna Markfort (GER)
- : Nadine Boehm & Ann-Christin Goliass (GER)
- Men's 470[15]
- 5–13 July: 49er & 49er FX European Championships & Nacra 17 European Championship in Gdynia, Poland
- Men's 49er[16]
- :
Diego Botín & Iago López (ESP) - :
Dominik Buksak & Szymon Wierzbicki (POL) - : Dylan Fletcher & Stuart Bithell (GBR)
- Women's 49er FX[17]
- :
Helene Næss & Marie Rønningen (NOR) - : Victoria Jurczok & Anika Lorenz (GER)
- : Sophie Weguelin & Sophie Ainsworth (GBR)
- Mixed Nacra 17[18]
- :
Ruggero Tita & Caterina Banti (ITA) - : Fernando Echávarri & Tara Pacheco (ESP)
- :
Christian Peter Lübeck & Lin Cenholt (DEN)
- Men's 49er[16]
- 19–25 August: RS:X European Championships in Sopot, Poland
North American championships
- 13–15 January: 470 North American Championships in Miami, United States[19]
- Men's 470
- : Luke Patience & Chris Grube (GBR)
- : Anton Dahlberg & Fredrik Bergström (SWE)
- : Panagiotis Mantis & Pavlos Kagialis (GRE)
- Women's 470
- : Afrodite Zegers & Anneloes van Veen (NED)
- :
Ai Kondo & Miho Yoshioka (JPN) - : Agnieszka Skrzypulec & Irmina Gliszczyńska (POL)
- Men's 470
- 23–27 May: RS:X North American Championships in Cancún, Mexico
- 12–15 July: Laser North American Championship in Long Beach, United States
South American championships
- 22–25 February: 470 South American Championship in San Isidro, Argentina
- 1–4 March: RS:X South American Championships in Paracas, Peru
- 3–8 December: 49er & 49er FX South American Championships & Nacra 17 South American Championship in Florianópolis, Brazil
Other major events
Extreme Sailing Series
- 14 March – 2 December: 2018 Extreme Sailing Series[20]
- 14–17 March: Act 1 in Muscat, Oman
- 24–27 May: GC32 World Championship in Lake Garda, Italy
- 14–17 June: Act 2 in Barcelona, Spain
- 5–8 July: Act 3 in Portugal
- 9–12 August: Act 4 in Saint Petersburg, Russia
- 24–27 August: Act 5 in Cardiff, United Kingdom
- 18–21 October: Act 6 in San Diego, United States
- 29 November – 2 December: Act 7 in Los Cabos, Mexico
Global Kite Sports Association
PWA World Tour
- 10–15 May: Fly! ANA Windsurf World Cup in Yokosuka, Japan
- 19–24 May: Korea
- 5–10 June: Costa Brava, Spain
- 13–20 June: Portugal
- 15–21 July: Gran Canaria, Spain
- 26 July – 4 August: Fuerteventura, Spain
- 5–11 August: Tenerife, Spain
- 28 September – 7 October: Mercedes-Benz World Cup in Sylt, Germany
Volvo Ocean Race
- 14 October 2017 – 30 June 2018: 2017–18 Volvo Ocean Race
- 2–19 January: Leg #4 from Melbourne, Australia to Hong Kong, China
- 27 & 28 January 2018: In-Port Race in Hong Kong, China
- 1 February: Leg #5 (non-scoring) from Hong Kong, China to Guangzhou, China
- 3 February: In-Port Race in Guangzhou, China
- 7 February: Leg #6 from Guangzhou, China to Auckland, New Zelanda
- 10 March: In-Port Race in Auckland, New Zealand
- 18 March: Leg #7 from Auckland, New Zealand to Itajaí, Brazil
- 20 April: In-Port Race in Itajaí, Brazil
- 22 April: Leg #8 from Itajaí, Brazil to Newport, United States
- 19 May: In-Port Race in Newport, United States
- 20 May: Leg #9 from Newport, United States to Cardiff, United Kingdom
- 8 June: In-Port Race in Cardiff, United Kingdom
- 10 June: Leg #10 from Cardiff, United Kingdom to Gothenburg, Sweden
- 17 June: In-Port Race in Gothenburg, Sweden
- 21 June: Leg #11 from Gothenburg, Sweden to The Hague, Netherlands
- 30 June: In-Port Race in The Hague, Netherlands
Women's International Match Racing Series
World Match Racing Tour
Other classes
World championships
- 19–25 January: Contender World Championship in McCrae, Australia[21]
- : Mark Bulka (AUS)
- : Jason Beebe (AUS)
- : Andrea Bonezzi (ITA)
- 25 March – 1 April: Moth World Championship in Hamilton, Bermuda
- 1–8 April: RS Feva World Championships in Clearwater, United States
- 1–8 July: RS:X World Youth Championships in Penmarch, France
- 14–22 July: Youth Sailing World Championships in Corpus Christi, United States
- 25–30 August: Finn Silver Cup in Koper, Slovenia
- 22–29 September: J/70 World Championship in Marblehead, United States
- 5–15 October: Star World Championship in Oxford, United States
- 4–12 August: Techno 293 World Championships & Techno 293+ World Championships in Liepāja, Latvia
- 8–15 August: 420 World Championships in Newport, United States
- 12–25 August: International 14 World Championships in Richmond, United States
Asian championships
- 7–11 February: Techno 293+ Asian Championships in Singapore, Singapore
European championships
- 1–7 April: Techno 293+ European Championships in Mondello, Italy
- 7–14 April: One Metre European Championship in Rogoznica, Croatia
- 28 May – 1 June: Dragon European Championship in Balatonfüred, Hungary
- 3–11 July: 470 European Junior Championships & 420 European Junior Championships in Sesimbra, Portugal
- 8–13 July: Formula Kite European Championship in La Rochelle, France
- 7–12 August: Star European Championship in Flensburg, Germany
- 19–25 August: RS:X European Youth Championships in Sopot, Poland
- 29 August – 8 September: 6 Metre European Championship in La Trinité-sur-Mer, France
- 20–27 October: Techno 293 European Championships in Athens, Greece
North American championships
- 23–27 May: Techno 293+ North American Championships in Cancún, Mexico
- 4–8 July: Viper North American Championships in Kingston, Canada
- 14–19 August: Star North American Championship in Los Angeles, United States
South American championships
- 25–28 February: Techno 293+ South American Championships in Paracas, Peru
- 7–11 November: Star South American Championship in Rio de Janeiro, Brazil
Other events
- 30 March – 7 April: Trofeo Princesa Sofia in Palma, Spain
- 21–26 May: Medemblik Regatta in Medemblik, Netherlands
- 16–24 June: Kiel Week in Kiel, Germany
- 18 August – 2 September: 2018 Asian Games in Jakarta-Palembang, Indonesia
- 6–18 October: 2018 Summer Youth Olympics in Buenos Aires, Argentina
- 3–8 December: Star Sailors League Finals in Nassau, Bahamas