12 (木)	01:28	07:47	14:19	20:01
	75cm	28cm	80cm	44cm
出 04:44 入 18:02 出 03:35 入 16:35

コイセボイ（北海道）2029年04月12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
4/12 00:00	69.2	↑1.2
4/12 00:10	70.2	↑1.0
4/12 00:20	71.2	↑1.0
4/12 00:30	72.1	↑0.9
4/12 00:40	72.8	↑0.7
4/12 00:50	73.4	↑0.6
4/12 01:00	73.9	↑0.5
4/12 01:10	74.2	↑0.3
4/12 01:20	74.4	↑0.2	満潮
4/12 01:30	74.4	0
4/12 01:40	74.3	↓-0.1
4/12 01:50	74.0	↓-0.3
4/12 02:00	73.6	↓-0.4
4/12 02:10	73.0	↓-0.6
4/12 02:20	72.3	↓-0.7
4/12 02:30	71.4	↓-0.9
4/12 02:40	70.4	↓-1.0
4/12 02:50	69.2	↓-1.2
4/12 03:00	68.0	↓-1.2
4/12 03:10	66.6	↓-1.4
4/12 03:20	65.1	↓-1.5
4/12 03:30	63.5	↓-1.6
4/12 03:40	61.8	↓-1.7
4/12 03:50	60.1	↓-1.7
4/12 04:00	58.3	↓-1.8
4/12 04:10	56.4	↓-1.9
4/12 04:20	54.5	↓-1.9
4/12 04:30	52.5	↓-2.0
4/12 04:40	50.6	↓-1.9
4/12 04:50	48.6	↓-2.0
4/12 05:00	46.7	↓-1.9
4/12 05:10	44.8	↓-1.9
4/12 05:20	42.9	↓-1.9
4/12 05:30	41.1	↓-1.8
4/12 05:40	39.3	↓-1.8
4/12 05:50	37.6	↓-1.7
4/12 06:00	36.0	↓-1.6
4/12 06:10	34.6	↓-1.4
4/12 06:20	33.2	↓-1.4
4/12 06:30	31.9	↓-1.3
4/12 06:40	30.8	↓-1.1
4/12 06:50	29.8	↓-1.0
4/12 07:00	29.0	↓-0.8
4/12 07:10	28.3	↓-0.7
4/12 07:20	27.8	↓-0.5
4/12 07:30	27.4	↓-0.4
4/12 07:40	27.2	↓-0.2	干潮
4/12 07:50	27.2	0
4/12 08:00	27.4	↑0.2
4/12 08:10	27.7	↑0.3
4/12 08:20	28.2	↑0.5
4/12 08:30	28.8	↑0.6
4/12 08:40	29.6	↑0.8
4/12 08:50	30.6	↑1.0
4/12 09:00	31.7	↑1.1
4/12 09:10	32.9	↑1.2
4/12 09:20	34.3	↑1.4
4/12 09:30	35.8	↑1.5
4/12 09:40	37.5	↑1.7
4/12 09:50	39.2	↑1.7
4/12 10:00	41.0	↑1.8
4/12 10:10	43.0	↑2.0
4/12 10:20	44.9	↑1.9
4/12 10:30	47.0	↑2.1	最大潮位差
4/12 10:40	49.1	↑2.1	最大潮位差
4/12 10:50	51.2	↑2.1	最大潮位差
4/12 11:00	53.3	↑2.1	最大潮位差
4/12 11:10	55.4	↑2.1	最大潮位差
4/12 11:20	57.5	↑2.1	最大潮位差
4/12 11:30	59.6	↑2.1	最大潮位差
4/12 11:40	61.7	↑2.1	最大潮位差
4/12 11:50	63.6	↑1.9
4/12 12:00	65.6	↑2.0
4/12 12:10	67.4	↑1.8
4/12 12:20	69.2	↑1.8
4/12 12:30	70.8	↑1.6
4/12 12:40	72.3	↑1.5
4/12 12:50	73.7	↑1.4
4/12 13:00	75.0	↑1.3
4/12 13:10	76.2	↑1.2
4/12 13:20	77.2	↑1.0
4/12 13:30	78.0	↑0.8
4/12 13:40	78.7	↑0.7
4/12 13:50	79.2	↑0.5
4/12 14:00	79.6	↑0.4
4/12 14:10	79.8	↑0.2	満潮
4/12 14:20	79.8	0
4/12 14:30	79.7	↓-0.1
4/12 14:40	79.4	↓-0.3
4/12 14:50	79.0	↓-0.4
4/12 15:00	78.4	↓-0.6
4/12 15:10	77.7	↓-0.7
4/12 15:20	76.8	↓-0.9
4/12 15:30	75.8	↓-1.0
4/12 15:40	74.7	↓-1.1
4/12 15:50	73.5	↓-1.2
4/12 16:00	72.2	↓-1.3
4/12 16:10	70.8	↓-1.4
4/12 16:20	69.3	↓-1.5
4/12 16:30	67.7	↓-1.6
4/12 16:40	66.1	↓-1.6
4/12 16:50	64.5	↓-1.6
4/12 17:00	62.8	↓-1.7
4/12 17:10	61.1	↓-1.7
4/12 17:20	59.4	↓-1.7
4/12 17:30	57.8	↓-1.6
4/12 17:40	56.2	↓-1.6
4/12 17:50	54.6	↓-1.6
4/12 18:00	53.1	↓-1.5
4/12 18:10	51.6	↓-1.5
4/12 18:20	50.2	↓-1.4
4/12 18:30	48.9	↓-1.3
4/12 18:40	47.8	↓-1.1
4/12 18:50	46.7	↓-1.1
4/12 19:00	45.8	↓-0.9
4/12 19:10	44.9	↓-0.9
4/12 19:20	44.3	↓-0.6
4/12 19:30	43.7	↓-0.6
4/12 19:40	43.4	↓-0.3
4/12 19:50	43.1	↓-0.3
4/12 20:00	43.0	↓-0.1	干潮
4/12 20:10	43.1	↑0.1
4/12 20:20	43.4	↑0.3
4/12 20:30	43.7	↑0.3
4/12 20:40	44.3	↑0.6
4/12 20:50	45.0	↑0.7
4/12 21:00	45.8	↑0.8
4/12 21:10	46.8	↑1.0
4/12 21:20	47.9	↑1.1
4/12 21:30	49.1	↑1.2
4/12 21:40	50.4	↑1.3
4/12 21:50	51.9	↑1.5
4/12 22:00	53.4	↑1.5
4/12 22:10	55.0	↑1.6
4/12 22:20	56.7	↑1.7
4/12 22:30	58.4	↑1.7
4/12 22:40	60.2	↑1.8
4/12 22:50	62.0	↑1.8
4/12 23:00	63.9	↑1.9
4/12 23:10	65.7	↑1.8
4/12 23:20	67.5	↑1.8
4/12 23:30	69.3	↑1.8
4/12 23:40	71.0	↑1.7
4/12 23:50	72.7	↑1.7