Whale Log

38 spots in Korea, 101 in Bali. See how today's surf scores spot by spot, then log your session with that day's swell, wind and tide attached automatically.

Surf forecasts for 139 spots in Korea and Bali, plus a diary that remembers every session.

Whale Log is a surf forecast and logging app built for surfers who travel between Korea and Bali.

FORECASTS FOR 139 SPOTS

• 38 spots in Korea (Yangyang, Jeju, Busan, Gangneung, Goseong, Pohang and more)
• 101 spots in Bali (Uluwatu, Padang Padang, Canggu, Keramas, Nusa Dua and more)
• Data combined from Open-Meteo Marine, the Korea Meteorological Administration and the Korea Hydrographic and Oceanographic Agency
• Korean spots are calibrated against real buoy measurements for better accuracy

IS IT GOOD FOR YOU?

Set your surf level and board type, and every spot gets scored for how well it suits you - not just a generic swell number.

• Wave height, period, wind, and water temperature by the hour
• Wind direction arrows over a satellite map
• Alerts when a marine weather warning is issued for your favorite spots

A DIARY THAT FILLS ITSELF IN

• Log the spot, board, conditions and how the session felt
• Attach photos and clips from the day
• The wave chart for that exact session is saved with your entry automatically
• Look back on your month in calendar view
• Read public session logs from other surfers

BADGES

• First session, dawn patrol, 100 sessions and many more
• Some badges unlock by reading the surf guides
• Fill out the collection as you surf

SURF GUIDES

• Fundamentals for people starting out
• Safety, lineup etiquette, gear, and how to read a forecast
• Organized by category with progress tracking

GETTING STARTED

• Sign in with Apple, Kakao, Google, or email
• Available in English and Korean

SAFETY NOTICE

• Forecasts are for reference only. Always check conditions in person before paddling out.
• Data comes from third-party public sources and accuracy is not guaranteed.
• Do not enter the water when a marine weather warning is in effect.

CONTACT

• Email: whale.log.story@gmail.com
• Blog: https://whale-tail.tistory.com