13 (土)	01:18	02:38	10:35	18:25
	55cm	54cm	81cm	35cm
若潮 出 04:42 入 18:03 出 12:25 入 01:39

コイセボイ（北海道）2030年04月13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
4/13 00:00	53.5	↑0.3
4/13 00:10	53.7	↑0.2
4/13 00:20	53.8	↑0.1
4/13 00:30	53.9	↑0.1
4/13 00:40	54.0	↑0.1
4/13 00:50	54.1	↑0.1
4/13 01:00	54.2	↑0.1
4/13 01:10	54.2	0	満潮
4/13 01:20	54.2	0
4/13 01:30	54.2	0
4/13 01:40	54.1	↓-0.1
4/13 01:50	54.1	0
4/13 02:00	54.1	0
4/13 02:10	54.0	↓-0.1
4/13 02:20	54.0	0
4/13 02:30	54.0	0	干潮
4/13 02:40	54.0	0
4/13 02:50	54.0	0
4/13 03:00	54.0	0
4/13 03:10	54.1	↑0.1
4/13 03:20	54.2	↑0.1
4/13 03:30	54.3	↑0.1
4/13 03:40	54.5	↑0.2
4/13 03:50	54.7	↑0.2
4/13 04:00	54.9	↑0.2
4/13 04:10	55.2	↑0.3
4/13 04:20	55.5	↑0.3
4/13 04:30	55.9	↑0.4
4/13 04:40	56.3	↑0.4
4/13 04:50	56.7	↑0.4
4/13 05:00	57.2	↑0.5
4/13 05:10	57.8	↑0.6
4/13 05:20	58.4	↑0.6
4/13 05:30	59.0	↑0.6
4/13 05:40	59.7	↑0.7
4/13 05:50	60.5	↑0.8
4/13 06:00	61.2	↑0.7
4/13 06:10	62.1	↑0.9
4/13 06:20	62.9	↑0.8
4/13 06:30	63.8	↑0.9
4/13 06:40	64.7	↑0.9
4/13 06:50	65.6	↑0.9
4/13 07:00	66.5	↑0.9
4/13 07:10	67.5	↑1.0
4/13 07:20	68.5	↑1.0
4/13 07:30	69.4	↑0.9
4/13 07:40	70.4	↑1.0
4/13 07:50	71.4	↑1.0
4/13 08:00	72.3	↑0.9
4/13 08:10	73.2	↑0.9
4/13 08:20	74.1	↑0.9
4/13 08:30	75.0	↑0.9
4/13 08:40	75.8	↑0.8
4/13 08:50	76.6	↑0.8
4/13 09:00	77.4	↑0.8
4/13 09:10	78.0	↑0.6
4/13 09:20	78.7	↑0.7
4/13 09:30	79.2	↑0.5
4/13 09:40	79.7	↑0.5
4/13 09:50	80.1	↑0.4
4/13 10:00	80.5	↑0.4
4/13 10:10	80.7	↑0.2
4/13 10:20	80.9	↑0.2
4/13 10:30	81.0	↑0.1	満潮
4/13 10:40	81.0	0
4/13 10:50	80.9	↓-0.1
4/13 11:00	80.7	↓-0.2
4/13 11:10	80.4	↓-0.3
4/13 11:20	80.0	↓-0.4
4/13 11:30	79.5	↓-0.5
4/13 11:40	79.0	↓-0.5
4/13 11:50	78.3	↓-0.7
4/13 12:00	77.6	↓-0.7
4/13 12:10	76.7	↓-0.9
4/13 12:20	75.8	↓-0.9
4/13 12:30	74.8	↓-1.0
4/13 12:40	73.7	↓-1.1
4/13 12:50	72.5	↓-1.2
4/13 13:00	71.3	↓-1.2
4/13 13:10	70.0	↓-1.3
4/13 13:20	68.6	↓-1.4
4/13 13:30	67.2	↓-1.4
4/13 13:40	65.7	↓-1.5
4/13 13:50	64.2	↓-1.5
4/13 14:00	62.7	↓-1.5
4/13 14:10	61.1	↓-1.6	最大潮位差
4/13 14:20	59.5	↓-1.6	最大潮位差
4/13 14:30	57.9	↓-1.6	最大潮位差
4/13 14:40	56.3	↓-1.6	最大潮位差
4/13 14:50	54.8	↓-1.5
4/13 15:00	53.2	↓-1.6	最大潮位差
4/13 15:10	51.6	↓-1.6	最大潮位差
4/13 15:20	50.1	↓-1.5
4/13 15:30	48.6	↓-1.5
4/13 15:40	47.1	↓-1.5
4/13 15:50	45.7	↓-1.4
4/13 16:00	44.4	↓-1.3
4/13 16:10	43.1	↓-1.3
4/13 16:20	41.9	↓-1.2
4/13 16:30	40.8	↓-1.1
4/13 16:40	39.7	↓-1.1
4/13 16:50	38.7	↓-1.0
4/13 17:00	37.8	↓-0.9
4/13 17:10	37.0	↓-0.8
4/13 17:20	36.3	↓-0.7
4/13 17:30	35.7	↓-0.6
4/13 17:40	35.2	↓-0.5
4/13 17:50	34.8	↓-0.4
4/13 18:00	34.5	↓-0.3
4/13 18:10	34.3	↓-0.2
4/13 18:20	34.2	↓-0.1	干潮
4/13 18:30	34.2	0
4/13 18:40	34.3	↑0.1
4/13 18:50	34.5	↑0.2
4/13 19:00	34.8	↑0.3
4/13 19:10	35.2	↑0.4
4/13 19:20	35.7	↑0.5
4/13 19:30	36.2	↑0.5
4/13 19:40	36.9	↑0.7
4/13 19:50	37.6	↑0.7
4/13 20:00	38.4	↑0.8
4/13 20:10	39.2	↑0.8
4/13 20:20	40.1	↑0.9
4/13 20:30	41.0	↑0.9
4/13 20:40	42.0	↑1.0
4/13 20:50	43.0	↑1.0
4/13 21:00	44.0	↑1.0
4/13 21:10	45.1	↑1.1
4/13 21:20	46.1	↑1.0
4/13 21:30	47.2	↑1.1
4/13 21:40	48.2	↑1.0
4/13 21:50	49.3	↑1.1
4/13 22:00	50.3	↑1.0
4/13 22:10	51.3	↑1.0
4/13 22:20	52.3	↑1.0
4/13 22:30	53.2	↑0.9
4/13 22:40	54.1	↑0.9
4/13 22:50	54.9	↑0.8
4/13 23:00	55.7	↑0.8
4/13 23:10	56.4	↑0.7
4/13 23:20	57.1	↑0.7
4/13 23:30	57.7	↑0.6
4/13 23:40	58.2	↑0.5
4/13 23:50	58.6	↑0.4