Seasickness
Use the rules for Motion Sickness (P) Disadvantage, if you lack that disadvantage, you roll at HT+5 and with a success of 5 or more, or a critical success, you suffer no ill effects.
Use the rules for Motion Sickness (P) Disadvantage, if you lack that disadvantage, you roll at HT+5 and with a success of 5 or more, or a critical success, you suffer no ill effects.