SpearFactor
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Trip Window Optimizer
Best multi-day windows by tide + moonlight overlap
Plan a spearfishing trip in three simple steps:
pick your dates
, then pick a
target species
or a
location
— the tool figures out the rest.
1
When are you traveling?
Any time — I'm flexible, search the next 12 months
Leave date
Return date
Number of trip windows
2
Pick a species
Type of species
2
Pick a location
Type a place — city, dive site, country, or any landmark — or click directly on the map.
Search a place
Type above or click the map to pick a spot.
Find My Trip
Reset
Top windows
How to read this:
• Each row is one possible trip — a block of consecutive days within your date range.
•
Combined score
blends tide strength during daylight (higher = better) and darkness of the nights (darker = less-spooked fish).
• Pick one with a high score and acceptable wave/wind for travel logistics.