1 (日)	02:48	05:15	12:22	20:05
	59cm	57cm	93cm	25cm
中潮 出 05:03 入 17:49 出 04:06 入 14:36

コイセボイ（北海道）2057年04月1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
4/1 00:00	49.8	↑1.1
4/1 00:10	50.8	↑1.0
4/1 00:20	51.8	↑1.0
4/1 00:30	52.7	↑0.9
4/1 00:40	53.6	↑0.9
4/1 00:50	54.4	↑0.8
4/1 01:00	55.1	↑0.7
4/1 01:10	55.8	↑0.7
4/1 01:20	56.3	↑0.5
4/1 01:30	56.8	↑0.5
4/1 01:40	57.3	↑0.5
4/1 01:50	57.7	↑0.4
4/1 02:00	57.9	↑0.2
4/1 02:10	58.2	↑0.3
4/1 02:20	58.4	↑0.2
4/1 02:30	58.5	↑0.1
4/1 02:40	58.5	0	満潮
4/1 02:50	58.5	0
4/1 03:00	58.5	0
4/1 03:10	58.4	↓-0.1
4/1 03:20	58.3	↓-0.1
4/1 03:30	58.2	↓-0.1
4/1 03:40	58.0	↓-0.2
4/1 03:50	57.8	↓-0.2
4/1 04:00	57.7	↓-0.1
4/1 04:10	57.5	↓-0.2
4/1 04:20	57.3	↓-0.2
4/1 04:30	57.2	↓-0.1
4/1 04:40	57.0	↓-0.2
4/1 04:50	56.9	↓-0.1
4/1 05:00	56.8	↓-0.1
4/1 05:10	56.8	0	干潮
4/1 05:20	56.8	0
4/1 05:30	56.9	↑0.1
4/1 05:40	57.0	↑0.1
4/1 05:50	57.2	↑0.2
4/1 06:00	57.4	↑0.2
4/1 06:10	57.7	↑0.3
4/1 06:20	58.1	↑0.4
4/1 06:30	58.5	↑0.4
4/1 06:40	59.0	↑0.5
4/1 06:50	59.6	↑0.6
4/1 07:00	60.3	↑0.7
4/1 07:10	61.0	↑0.7
4/1 07:20	61.9	↑0.9
4/1 07:30	62.8	↑0.9
4/1 07:40	63.7	↑0.9
4/1 07:50	64.7	↑1.0
4/1 08:00	65.8	↑1.1
4/1 08:10	67.0	↑1.2
4/1 08:20	68.2	↑1.2
4/1 08:30	69.4	↑1.2
4/1 08:40	70.7	↑1.3
4/1 08:50	72.0	↑1.3
4/1 09:00	73.4	↑1.4
4/1 09:10	74.7	↑1.3
4/1 09:20	76.1	↑1.4
4/1 09:30	77.5	↑1.4
4/1 09:40	78.8	↑1.3
4/1 09:50	80.2	↑1.4
4/1 10:00	81.5	↑1.3
4/1 10:10	82.8	↑1.3
4/1 10:20	84.0	↑1.2
4/1 10:30	85.2	↑1.2
4/1 10:40	86.4	↑1.2
4/1 10:50	87.4	↑1.0
4/1 11:00	88.4	↑1.0
4/1 11:10	89.3	↑0.9
4/1 11:20	90.1	↑0.8
4/1 11:30	90.8	↑0.7
4/1 11:40	91.3	↑0.5
4/1 11:50	91.8	↑0.5
4/1 12:00	92.2	↑0.4
4/1 12:10	92.4	↑0.2
4/1 12:20	92.4	0	満潮
4/1 12:30	92.4	0
4/1 12:40	92.2	↓-0.2
4/1 12:50	91.9	↓-0.3
4/1 13:00	91.4	↓-0.5
4/1 13:10	90.8	↓-0.6
4/1 13:20	90.0	↓-0.8
4/1 13:30	89.1	↓-0.9
4/1 13:40	88.1	↓-1.0
4/1 13:50	86.9	↓-1.2
4/1 14:00	85.6	↓-1.3
4/1 14:10	84.1	↓-1.5
4/1 14:20	82.6	↓-1.5
4/1 14:30	80.9	↓-1.7
4/1 14:40	79.1	↓-1.8
4/1 14:50	77.2	↓-1.9
4/1 15:00	75.3	↓-1.9
4/1 15:10	73.2	↓-2.1
4/1 15:20	71.1	↓-2.1
4/1 15:30	68.9	↓-2.2
4/1 15:40	66.6	↓-2.3
4/1 15:50	64.3	↓-2.3
4/1 16:00	62.0	↓-2.3
4/1 16:10	59.7	↓-2.3
4/1 16:20	57.3	↓-2.4	最大潮位差
4/1 16:30	55.0	↓-2.3
4/1 16:40	52.6	↓-2.4	最大潮位差
4/1 16:50	50.3	↓-2.3
4/1 17:00	48.1	↓-2.2
4/1 17:10	45.8	↓-2.3
4/1 17:20	43.7	↓-2.1
4/1 17:30	41.6	↓-2.1
4/1 17:40	39.6	↓-2.0
4/1 17:50	37.7	↓-1.9
4/1 18:00	35.9	↓-1.8
4/1 18:10	34.2	↓-1.7
4/1 18:20	32.6	↓-1.6
4/1 18:30	31.2	↓-1.4
4/1 18:40	29.8	↓-1.4
4/1 18:50	28.7	↓-1.1
4/1 19:00	27.6	↓-1.1
4/1 19:10	26.7	↓-0.9
4/1 19:20	26.0	↓-0.7
4/1 19:30	25.4	↓-0.6
4/1 19:40	24.9	↓-0.5
4/1 19:50	24.6	↓-0.3
4/1 20:00	24.5	↓-0.1	干潮
4/1 20:10	24.5	0
4/1 20:20	24.7	↑0.2
4/1 20:30	25.0	↑0.3
4/1 20:40	25.4	↑0.4
4/1 20:50	26.0	↑0.6
4/1 21:00	26.7	↑0.7
4/1 21:10	27.5	↑0.8
4/1 21:20	28.4	↑0.9
4/1 21:30	29.5	↑1.1
4/1 21:40	30.6	↑1.1
4/1 21:50	31.8	↑1.2
4/1 22:00	33.1	↑1.3
4/1 22:10	34.5	↑1.4
4/1 22:20	35.9	↑1.4
4/1 22:30	37.4	↑1.5
4/1 22:40	38.9	↑1.5
4/1 22:50	40.4	↑1.5
4/1 23:00	42.0	↑1.6
4/1 23:10	43.5	↑1.5
4/1 23:20	45.0	↑1.5
4/1 23:30	46.6	↑1.6
4/1 23:40	48.0	↑1.4
4/1 23:50	49.5	↑1.5