23 (火)	01:04	07:42	14:13	19:32
	77cm	25cm	75cm	46cm
大潮 出 04:26 入 18:15 出 03:08 入 16:31

コイセボイ（北海道）2047年04月23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
4/23 00:00	73.8	↑0.9
4/23 00:10	74.6	↑0.8
4/23 00:20	75.3	↑0.7
4/23 00:30	75.8	↑0.5
4/23 00:40	76.2	↑0.4
4/23 00:50	76.5	↑0.3
4/23 01:00	76.6	↑0.1	満潮
4/23 01:10	76.6	0
4/23 01:20	76.4	↓-0.2
4/23 01:30	76.1	↓-0.3
4/23 01:40	75.6	↓-0.5
4/23 01:50	74.9	↓-0.7
4/23 02:00	74.2	↓-0.7
4/23 02:10	73.2	↓-1.0
4/23 02:20	72.2	↓-1.0
4/23 02:30	71.0	↓-1.2
4/23 02:40	69.6	↓-1.4
4/23 02:50	68.2	↓-1.4
4/23 03:00	66.6	↓-1.6
4/23 03:10	65.0	↓-1.6
4/23 03:20	63.2	↓-1.8
4/23 03:30	61.4	↓-1.8
4/23 03:40	59.5	↓-1.9
4/23 03:50	57.5	↓-2.0
4/23 04:00	55.5	↓-2.0
4/23 04:10	53.5	↓-2.0
4/23 04:20	51.4	↓-2.1	最大潮位差
4/23 04:30	49.4	↓-2.0
4/23 04:40	47.3	↓-2.1	最大潮位差
4/23 04:50	45.3	↓-2.0
4/23 05:00	43.2	↓-2.1	最大潮位差
4/23 05:10	41.3	↓-1.9
4/23 05:20	39.4	↓-1.9
4/23 05:30	37.5	↓-1.9
4/23 05:40	35.8	↓-1.7
4/23 05:50	34.1	↓-1.7
4/23 06:00	32.6	↓-1.5
4/23 06:10	31.1	↓-1.5
4/23 06:20	29.8	↓-1.3
4/23 06:30	28.6	↓-1.2
4/23 06:40	27.6	↓-1.0
4/23 06:50	26.7	↓-0.9
4/23 07:00	25.9	↓-0.8
4/23 07:10	25.3	↓-0.6
4/23 07:20	24.9	↓-0.4
4/23 07:30	24.7	↓-0.2
4/23 07:40	24.6	↓-0.1	干潮
4/23 07:50	24.6	0
4/23 08:00	24.9	↑0.3
4/23 08:10	25.3	↑0.4
4/23 08:20	25.8	↑0.5
4/23 08:30	26.6	↑0.8
4/23 08:40	27.4	↑0.8
4/23 08:50	28.5	↑1.1
4/23 09:00	29.6	↑1.1
4/23 09:10	30.9	↑1.3
4/23 09:20	32.3	↑1.4
4/23 09:30	33.8	↑1.5
4/23 09:40	35.5	↑1.7
4/23 09:50	37.2	↑1.7
4/23 10:00	39.0	↑1.8
4/23 10:10	40.8	↑1.8
4/23 10:20	42.7	↑1.9
4/23 10:30	44.7	↑2.0
4/23 10:40	46.7	↑2.0
4/23 10:50	48.7	↑2.0
4/23 11:00	50.7	↑2.0
4/23 11:10	52.7	↑2.0
4/23 11:20	54.6	↑1.9
4/23 11:30	56.6	↑2.0
4/23 11:40	58.5	↑1.9
4/23 11:50	60.3	↑1.8
4/23 12:00	62.0	↑1.7
4/23 12:10	63.7	↑1.7
4/23 12:20	65.3	↑1.6
4/23 12:30	66.7	↑1.4
4/23 12:40	68.1	↑1.4
4/23 12:50	69.3	↑1.2
4/23 13:00	70.4	↑1.1
4/23 13:10	71.4	↑1.0
4/23 13:20	72.2	↑0.8
4/23 13:30	72.9	↑0.7
4/23 13:40	73.4	↑0.5
4/23 13:50	73.8	↑0.4
4/23 14:00	74.1	↑0.3
4/23 14:10	74.2	↑0.1	満潮
4/23 14:20	74.1	↓-0.1
4/23 14:30	73.9	↓-0.2
4/23 14:40	73.6	↓-0.3
4/23 14:50	73.1	↓-0.5
4/23 15:00	72.6	↓-0.5
4/23 15:10	71.8	↓-0.8
4/23 15:20	71.0	↓-0.8
4/23 15:30	70.1	↓-0.9
4/23 15:40	69.1	↓-1.0
4/23 15:50	68.0	↓-1.1
4/23 16:00	66.8	↓-1.2
4/23 16:10	65.5	↓-1.3
4/23 16:20	64.2	↓-1.3
4/23 16:30	62.9	↓-1.3
4/23 16:40	61.5	↓-1.4
4/23 16:50	60.2	↓-1.3
4/23 17:00	58.8	↓-1.4
4/23 17:10	57.4	↓-1.4
4/23 17:20	56.1	↓-1.3
4/23 17:30	54.8	↓-1.3
4/23 17:40	53.5	↓-1.3
4/23 17:50	52.3	↓-1.2
4/23 18:00	51.2	↓-1.1
4/23 18:10	50.2	↓-1.0
4/23 18:20	49.2	↓-1.0
4/23 18:30	48.4	↓-0.8
4/23 18:40	47.6	↓-0.8
4/23 18:50	47.0	↓-0.6
4/23 19:00	46.5	↓-0.5
4/23 19:10	46.1	↓-0.4
4/23 19:20	45.9	↓-0.2
4/23 19:30	45.8	↓-0.1	干潮
4/23 19:40	45.9	↑0.1
4/23 19:50	46.1	↑0.2
4/23 20:00	46.4	↑0.3
4/23 20:10	46.9	↑0.5
4/23 20:20	47.5	↑0.6
4/23 20:30	48.2	↑0.7
4/23 20:40	49.1	↑0.9
4/23 20:50	50.2	↑1.1
4/23 21:00	51.3	↑1.1
4/23 21:10	52.5	↑1.2
4/23 21:20	53.9	↑1.4
4/23 21:30	55.3	↑1.4
4/23 21:40	56.9	↑1.6
4/23 21:50	58.5	↑1.6
4/23 22:00	60.1	↑1.6
4/23 22:10	61.9	↑1.8
4/23 22:20	63.6	↑1.7
4/23 22:30	65.4	↑1.8
4/23 22:40	67.2	↑1.8
4/23 22:50	69.0	↑1.8
4/23 23:00	70.8	↑1.8
4/23 23:10	72.5	↑1.7
4/23 23:20	74.2	↑1.7
4/23 23:30	75.8	↑1.6
4/23 23:40	77.4	↑1.6
4/23 23:50	78.9	↑1.5