31 (日)	13:22	06:10	23:25	16:46
	68cm	38cm	89cm	64cm
若潮 出 05:56 入 16:14 出 - 入 14:17

コイセボイ（北海道）2021年10月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
10/31 00:00	83.2	↓-1.2
10/31 00:10	82.0	↓-1.2
10/31 00:20	80.6	↓-1.4
10/31 00:30	79.2	↓-1.4
10/31 00:40	77.7	↓-1.5
10/31 00:50	76.2	↓-1.5
10/31 01:00	74.6	↓-1.6
10/31 01:10	73.0	↓-1.6
10/31 01:20	71.4	↓-1.6
10/31 01:30	69.7	↓-1.7
10/31 01:40	68.0	↓-1.7
10/31 01:50	66.3	↓-1.7
10/31 02:00	64.5	↓-1.8	最大潮位差
10/31 02:10	62.8	↓-1.7
10/31 02:20	61.1	↓-1.7
10/31 02:30	59.4	↓-1.7
10/31 02:40	57.7	↓-1.7
10/31 02:50	56.0	↓-1.7
10/31 03:00	54.4	↓-1.6
10/31 03:10	52.8	↓-1.6
10/31 03:20	51.3	↓-1.5
10/31 03:30	49.8	↓-1.5
10/31 03:40	48.4	↓-1.4
10/31 03:50	47.0	↓-1.4
10/31 04:00	45.8	↓-1.2
10/31 04:10	44.5	↓-1.3
10/31 04:20	43.4	↓-1.1
10/31 04:30	42.4	↓-1.0
10/31 04:40	41.4	↓-1.0
10/31 04:50	40.6	↓-0.8
10/31 05:00	39.8	↓-0.8
10/31 05:10	39.2	↓-0.6
10/31 05:20	38.6	↓-0.6
10/31 05:30	38.2	↓-0.4
10/31 05:40	37.8	↓-0.4
10/31 05:50	37.6	↓-0.2
10/31 06:00	37.4	↓-0.2	干潮
10/31 06:10	37.4	0	干潮
10/31 06:20	37.4	0
10/31 06:30	37.6	↑0.2
10/31 06:40	37.8	↑0.2
10/31 06:50	38.2	↑0.4
10/31 07:00	38.6	↑0.4
10/31 07:10	39.1	↑0.5
10/31 07:20	39.7	↑0.6
10/31 07:30	40.4	↑0.7
10/31 07:40	41.1	↑0.7
10/31 07:50	42.0	↑0.9
10/31 08:00	42.8	↑0.8
10/31 08:10	43.8	↑1.0
10/31 08:20	44.7	↑0.9
10/31 08:30	45.8	↑1.1
10/31 08:40	46.8	↑1.0
10/31 08:50	47.9	↑1.1
10/31 09:00	49.0	↑1.1
10/31 09:10	50.1	↑1.1
10/31 09:20	51.2	↑1.1
10/31 09:30	52.4	↑1.2
10/31 09:40	53.5	↑1.1
10/31 09:50	54.6	↑1.1
10/31 10:00	55.7	↑1.1
10/31 10:10	56.8	↑1.1
10/31 10:20	57.8	↑1.0
10/31 10:30	58.8	↑1.0
10/31 10:40	59.8	↑1.0
10/31 10:50	60.7	↑0.9
10/31 11:00	61.6	↑0.9
10/31 11:10	62.4	↑0.8
10/31 11:20	63.1	↑0.7
10/31 11:30	63.8	↑0.7
10/31 11:40	64.5	↑0.7
10/31 11:50	65.1	↑0.6
10/31 12:00	65.6	↑0.5
10/31 12:10	66.0	↑0.4
10/31 12:20	66.4	↑0.4
10/31 12:30	66.8	↑0.4
10/31 12:40	67.0	↑0.2
10/31 12:50	67.2	↑0.2
10/31 13:00	67.4	↑0.2
10/31 13:10	67.5	↑0.1
10/31 13:20	67.5	0	満潮
10/31 13:30	67.5	0
10/31 13:40	67.4	↓-0.1
10/31 13:50	67.3	↓-0.1
10/31 14:00	67.1	↓-0.2
10/31 14:10	66.9	↓-0.2
10/31 14:20	66.7	↓-0.2
10/31 14:30	66.5	↓-0.2
10/31 14:40	66.2	↓-0.3
10/31 14:50	66.0	↓-0.2
10/31 15:00	65.7	↓-0.3
10/31 15:10	65.4	↓-0.3
10/31 15:20	65.1	↓-0.3
10/31 15:30	64.9	↓-0.2
10/31 15:40	64.6	↓-0.3
10/31 15:50	64.4	↓-0.2
10/31 16:00	64.2	↓-0.2
10/31 16:10	64.0	↓-0.2
10/31 16:20	63.9	↓-0.1
10/31 16:30	63.8	↓-0.1
10/31 16:40	63.7	↓-0.1	干潮
10/31 16:50	63.7	0
10/31 17:00	63.8	↑0.1
10/31 17:10	63.9	↑0.1
10/31 17:20	64.0	↑0.1
10/31 17:30	64.3	↑0.3
10/31 17:40	64.5	↑0.2
10/31 17:50	64.9	↑0.4
10/31 18:00	65.3	↑0.4
10/31 18:10	65.8	↑0.5
10/31 18:20	66.3	↑0.5
10/31 18:30	66.9	↑0.6
10/31 18:40	67.5	↑0.6
10/31 18:50	68.2	↑0.7
10/31 19:00	69.0	↑0.8
10/31 19:10	69.8	↑0.8
10/31 19:20	70.6	↑0.8
10/31 19:30	71.5	↑0.9
10/31 19:40	72.5	↑1.0
10/31 19:50	73.4	↑0.9
10/31 20:00	74.4	↑1.0
10/31 20:10	75.4	↑1.0
10/31 20:20	76.4	↑1.0
10/31 20:30	77.4	↑1.0
10/31 20:40	78.4	↑1.0
10/31 20:50	79.5	↑1.1
10/31 21:00	80.5	↑1.0
10/31 21:10	81.4	↑0.9
10/31 21:20	82.4	↑1.0
10/31 21:30	83.3	↑0.9
10/31 21:40	84.1	↑0.8
10/31 21:50	85.0	↑0.9
10/31 22:00	85.7	↑0.7
10/31 22:10	86.4	↑0.7
10/31 22:20	87.0	↑0.6
10/31 22:30	87.6	↑0.6
10/31 22:40	88.0	↑0.4
10/31 22:50	88.4	↑0.4
10/31 23:00	88.7	↑0.3
10/31 23:10	88.9	↑0.2
10/31 23:20	89.0	↑0.1	満潮
10/31 23:30	89.0	0
10/31 23:40	88.9	↓-0.1
10/31 23:50	88.6	↓-0.3