20 (金)	13:33	07:00	-	18:10
	71cm	37cm	-	58cm
中潮 出 05:42 入 16:30 出 15:31 入 01:54

コイセボイ（北海道）2056年10月20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
10/20 00:00	90.2	↓-0.5
10/20 00:10	89.7	↓-0.5
10/20 00:20	89.0	↓-0.7
10/20 00:30	88.2	↓-0.8
10/20 00:40	87.3	↓-0.9
10/20 00:50	86.2	↓-1.1
10/20 01:00	85.1	↓-1.1
10/20 01:10	83.9	↓-1.2
10/20 01:20	82.6	↓-1.3
10/20 01:30	81.2	↓-1.4
10/20 01:40	79.8	↓-1.4
10/20 01:50	78.2	↓-1.6
10/20 02:00	76.6	↓-1.6
10/20 02:10	75.0	↓-1.6
10/20 02:20	73.2	↓-1.8
10/20 02:30	71.5	↓-1.7
10/20 02:40	69.7	↓-1.8
10/20 02:50	67.8	↓-1.9	最大潮位差
10/20 03:00	66.0	↓-1.8
10/20 03:10	64.1	↓-1.9	最大潮位差
10/20 03:20	62.2	↓-1.9	最大潮位差
10/20 03:30	60.4	↓-1.8
10/20 03:40	58.5	↓-1.9	最大潮位差
10/20 03:50	56.7	↓-1.8
10/20 04:00	54.9	↓-1.8
10/20 04:10	53.2	↓-1.7
10/20 04:20	51.5	↓-1.7
10/20 04:30	49.9	↓-1.6
10/20 04:40	48.3	↓-1.6
10/20 04:50	46.8	↓-1.5
10/20 05:00	45.4	↓-1.4
10/20 05:10	44.1	↓-1.3
10/20 05:20	42.9	↓-1.2
10/20 05:30	41.8	↓-1.1
10/20 05:40	40.8	↓-1.0
10/20 05:50	39.9	↓-0.9
10/20 06:00	39.1	↓-0.8
10/20 06:10	38.4	↓-0.7
10/20 06:20	37.9	↓-0.5
10/20 06:30	37.5	↓-0.4
10/20 06:40	37.2	↓-0.3
10/20 06:50	37.0	↓-0.2	干潮
10/20 07:00	36.9	↓-0.1	干潮
10/20 07:10	37.0	↑0.1
10/20 07:20	37.2	↑0.2
10/20 07:30	37.5	↑0.3
10/20 07:40	37.9	↑0.4
10/20 07:50	38.5	↑0.6
10/20 08:00	39.1	↑0.6
10/20 08:10	39.8	↑0.7
10/20 08:20	40.7	↑0.9
10/20 08:30	41.6	↑0.9
10/20 08:40	42.6	↑1.0
10/20 08:50	43.6	↑1.0
10/20 09:00	44.8	↑1.2
10/20 09:10	46.0	↑1.2
10/20 09:20	47.2	↑1.2
10/20 09:30	48.5	↑1.3
10/20 09:40	49.8	↑1.3
10/20 09:50	51.1	↑1.3
10/20 10:00	52.4	↑1.3
10/20 10:10	53.8	↑1.4
10/20 10:20	55.1	↑1.3
10/20 10:30	56.4	↑1.3
10/20 10:40	57.7	↑1.3
10/20 10:50	59.0	↑1.3
10/20 11:00	60.2	↑1.2
10/20 11:10	61.4	↑1.2
10/20 11:20	62.6	↑1.2
10/20 11:30	63.6	↑1.0
10/20 11:40	64.6	↑1.0
10/20 11:50	65.6	↑1.0
10/20 12:00	66.4	↑0.8
10/20 12:10	67.2	↑0.8
10/20 12:20	67.9	↑0.7
10/20 12:30	68.5	↑0.6
10/20 12:40	69.0	↑0.5
10/20 12:50	69.5	↑0.5
10/20 13:00	69.8	↑0.3
10/20 13:10	70.0	↑0.2
10/20 13:20	70.2	↑0.2
10/20 13:30	70.2	0	満潮
10/20 13:40	70.2	0
10/20 13:50	70.1	↓-0.1
10/20 14:00	69.9	↓-0.2
10/20 14:10	69.6	↓-0.3
10/20 14:20	69.3	↓-0.3
10/20 14:30	68.9	↓-0.4
10/20 14:40	68.4	↓-0.5
10/20 14:50	67.9	↓-0.5
10/20 15:00	67.3	↓-0.6
10/20 15:10	66.7	↓-0.6
10/20 15:20	66.0	↓-0.7
10/20 15:30	65.3	↓-0.7
10/20 15:40	64.6	↓-0.7
10/20 15:50	63.9	↓-0.7
10/20 16:00	63.2	↓-0.7
10/20 16:10	62.5	↓-0.7
10/20 16:20	61.9	↓-0.6
10/20 16:30	61.2	↓-0.7
10/20 16:40	60.6	↓-0.6
10/20 16:50	60.0	↓-0.6
10/20 17:00	59.5	↓-0.5
10/20 17:10	59.0	↓-0.5
10/20 17:20	58.5	↓-0.5
10/20 17:30	58.2	↓-0.3
10/20 17:40	57.9	↓-0.3
10/20 17:50	57.7	↓-0.2
10/20 18:00	57.6	↓-0.1	干潮
10/20 18:10	57.6	0	干潮
10/20 18:20	57.6	0
10/20 18:30	57.8	↑0.2
10/20 18:40	58.0	↑0.2
10/20 18:50	58.3	↑0.3
10/20 19:00	58.8	↑0.5
10/20 19:10	59.3	↑0.5
10/20 19:20	59.9	↑0.6
10/20 19:30	60.6	↑0.7
10/20 19:40	61.4	↑0.8
10/20 19:50	62.3	↑0.9
10/20 20:00	63.3	↑1.0
10/20 20:10	64.3	↑1.0
10/20 20:20	65.4	↑1.1
10/20 20:30	66.6	↑1.2
10/20 20:40	67.8	↑1.2
10/20 20:50	69.1	↑1.3
10/20 21:00	70.4	↑1.3
10/20 21:10	71.8	↑1.4
10/20 21:20	73.2	↑1.4
10/20 21:30	74.5	↑1.3
10/20 21:40	75.9	↑1.4
10/20 21:50	77.3	↑1.4
10/20 22:00	78.7	↑1.4
10/20 22:10	80.1	↑1.4
10/20 22:20	81.4	↑1.3
10/20 22:30	82.6	↑1.2
10/20 22:40	83.9	↑1.3
10/20 22:50	85.0	↑1.1
10/20 23:00	86.1	↑1.1
10/20 23:10	87.1	↑1.0
10/20 23:20	88.0	↑0.9
10/20 23:30	88.8	↑0.8
10/20 23:40	89.5	↑0.7
10/20 23:50	90.1	↑0.6