TIDAL STREAMS - TE ANIMITI / FRENCH PASS. Mariners should refer to the New Zealand Nautical Almanac for daily tidal stream predictions and other stream information. Complete spring and neap values for Te Aumiti / French Pass can be found in the New Zealand Nautical Almanac. The southwest (flood) stream begins nearly 4 hours after HW at Nelson and can exceed 3 knots. The stronger northeast (ebb) stream begins about 2 hours before HW at Nelson with flow rates up to 5 knots. Slack water lasts for about 20 minutes but is irregular; the Pass should not be attempted against the tide.