31 (月)	01:39	05:26	12:12	19:36
	60cm	54cm	88cm	31cm
中潮 出 05:05 入 17:48 出 14:33 入 03:18

コイセボイ（北海道）2053年03月31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
3/31 00:00	56.3	↑0.7
3/31 00:10	56.9	↑0.6
3/31 00:20	57.5	↑0.6
3/31 00:30	58.1	↑0.6
3/31 00:40	58.5	↑0.4
3/31 00:50	58.9	↑0.4
3/31 01:00	59.2	↑0.3
3/31 01:10	59.4	↑0.2
3/31 01:20	59.6	↑0.2
3/31 01:30	59.6	0	満潮
3/31 01:40	59.7	↑0.1
3/31 01:50	59.6	↓-0.1
3/31 02:00	59.5	↓-0.1
3/31 02:10	59.4	↓-0.1
3/31 02:20	59.1	↓-0.3
3/31 02:30	58.9	↓-0.2
3/31 02:40	58.6	↓-0.3
3/31 02:50	58.3	↓-0.3
3/31 03:00	57.9	↓-0.4
3/31 03:10	57.5	↓-0.4
3/31 03:20	57.1	↓-0.4
3/31 03:30	56.7	↓-0.4
3/31 03:40	56.3	↓-0.4
3/31 03:50	55.9	↓-0.4
3/31 04:00	55.5	↓-0.4
3/31 04:10	55.1	↓-0.4
3/31 04:20	54.8	↓-0.3
3/31 04:30	54.5	↓-0.3
3/31 04:40	54.2	↓-0.3
3/31 04:50	54.0	↓-0.2
3/31 05:00	53.8	↓-0.2
3/31 05:10	53.6	↓-0.2
3/31 05:20	53.6	0	干潮
3/31 05:30	53.6	0
3/31 05:40	53.7	↑0.1
3/31 05:50	53.8	↑0.1
3/31 06:00	54.0	↑0.2
3/31 06:10	54.3	↑0.3
3/31 06:20	54.7	↑0.4
3/31 06:30	55.2	↑0.5
3/31 06:40	55.7	↑0.5
3/31 06:50	56.3	↑0.6
3/31 07:00	57.0	↑0.7
3/31 07:10	57.8	↑0.8
3/31 07:20	58.6	↑0.8
3/31 07:30	59.6	↑1.0
3/31 07:40	60.5	↑0.9
3/31 07:50	61.6	↑1.1
3/31 08:00	62.7	↑1.1
3/31 08:10	63.9	↑1.2
3/31 08:20	65.1	↑1.2
3/31 08:30	66.3	↑1.2
3/31 08:40	67.6	↑1.3
3/31 08:50	68.9	↑1.3
3/31 09:00	70.2	↑1.3
3/31 09:10	71.5	↑1.3
3/31 09:20	72.9	↑1.4
3/31 09:30	74.2	↑1.3
3/31 09:40	75.5	↑1.3
3/31 09:50	76.8	↑1.3
3/31 10:00	78.0	↑1.2
3/31 10:10	79.2	↑1.2
3/31 10:20	80.4	↑1.2
3/31 10:30	81.4	↑1.0
3/31 10:40	82.4	↑1.0
3/31 10:50	83.4	↑1.0
3/31 11:00	84.2	↑0.8
3/31 11:10	85.0	↑0.8
3/31 11:20	85.6	↑0.6
3/31 11:30	86.2	↑0.6
3/31 11:40	86.6	↑0.4
3/31 11:50	87.0	↑0.4
3/31 12:00	87.2	↑0.2
3/31 12:10	87.3	↑0.1	満潮
3/31 12:20	87.2	↓-0.1
3/31 12:30	87.0	↓-0.2
3/31 12:40	86.7	↓-0.3
3/31 12:50	86.3	↓-0.4
3/31 13:00	85.7	↓-0.6
3/31 13:10	85.0	↓-0.7
3/31 13:20	84.2	↓-0.8
3/31 13:30	83.2	↓-1.0
3/31 13:40	82.2	↓-1.0
3/31 13:50	81.0	↓-1.2
3/31 14:00	79.7	↓-1.3
3/31 14:10	78.3	↓-1.4
3/31 14:20	76.7	↓-1.6
3/31 14:30	75.1	↓-1.6
3/31 14:40	73.4	↓-1.7
3/31 14:50	71.7	↓-1.7
3/31 15:00	69.8	↓-1.9
3/31 15:10	68.0	↓-1.8
3/31 15:20	66.0	↓-2.0
3/31 15:30	64.0	↓-2.0
3/31 15:40	62.0	↓-2.0
3/31 15:50	60.0	↓-2.0
3/31 16:00	58.0	↓-2.0
3/31 16:10	55.9	↓-2.1	最大潮位差
3/31 16:20	53.9	↓-2.0
3/31 16:30	51.9	↓-2.0
3/31 16:40	50.0	↓-1.9
3/31 16:50	48.1	↓-1.9
3/31 17:00	46.2	↓-1.9
3/31 17:10	44.4	↓-1.8
3/31 17:20	42.7	↓-1.7
3/31 17:30	41.1	↓-1.6
3/31 17:40	39.6	↓-1.5
3/31 17:50	38.2	↓-1.4
3/31 18:00	36.8	↓-1.4
3/31 18:10	35.6	↓-1.2
3/31 18:20	34.6	↓-1.0
3/31 18:30	33.6	↓-1.0
3/31 18:40	32.8	↓-0.8
3/31 18:50	32.1	↓-0.7
3/31 19:00	31.5	↓-0.6
3/31 19:10	31.1	↓-0.4
3/31 19:20	30.8	↓-0.3
3/31 19:30	30.7	↓-0.1	干潮
3/31 19:40	30.7	0
3/31 19:50	30.8	↑0.1
3/31 20:00	31.1	↑0.3
3/31 20:10	31.5	↑0.4
3/31 20:20	32.0	↑0.5
3/31 20:30	32.6	↑0.6
3/31 20:40	33.4	↑0.8
3/31 20:50	34.2	↑0.8
3/31 21:00	35.2	↑1.0
3/31 21:10	36.2	↑1.0
3/31 21:20	37.4	↑1.2
3/31 21:30	38.6	↑1.2
3/31 21:40	39.8	↑1.2
3/31 21:50	41.2	↑1.4
3/31 22:00	42.5	↑1.3
3/31 22:10	43.9	↑1.4
3/31 22:20	45.3	↑1.4
3/31 22:30	46.8	↑1.5
3/31 22:40	48.2	↑1.4
3/31 22:50	49.7	↑1.5
3/31 23:00	51.1	↑1.4
3/31 23:10	52.5	↑1.4
3/31 23:20	53.8	↑1.3
3/31 23:30	55.1	↑1.3
3/31 23:40	56.4	↑1.3
3/31 23:50	57.5	↑1.1