Huling update: 2026-04-14Kontak: developer@captaincalc.com.tr
Batayan ng sanggunian: mga konsepto ng IMO/COLREG/STCW, nautical practice, aprubadong dokumento ng barko, at mga tala ng kalkulasyon ng CaptainCalc. Laging i-verify ang mga desisyon sa operasyon gamit ang opisyal na sanggunian.
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True Wind Calculator
I-convert ang Apparent Wind at ship speed/course sa True Wind Speed at Direction gamit ang vector math.
Formula reference
Vector method: True Wind = Apparent Wind (vector) + Ship Velocity (vector)
AWN = −AWS×cos(AWD) | AWE = −AWS×sin(AWD)
TWN = AWN + SOG×cos(COG) | TWE = AWE + SOG×sin(COG)
TWS = √(TWN²+TWE²) | TWD = atan2(−TWE, −TWN)
AWD = direction the apparent wind is coming FROM (True bearing).
AWN = −AWS×cos(AWD) | AWE = −AWS×sin(AWD)
TWN = AWN + SOG×cos(COG) | TWE = AWE + SOG×sin(COG)
TWS = √(TWN²+TWE²) | TWD = atan2(−TWE, −TWN)
AWD = direction the apparent wind is coming FROM (True bearing).