20 (金)	04:22	11:58	18:05	22:15
	119cm	24cm	67cm	53cm
中潮 出 03:57 入 18:59 出 21:42 入 08:03

コイセボイ（北海道）2057年07月20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
7/20 00:00	71.7	↑2.1
7/20 00:10	73.8	↑2.1
7/20 00:20	76.0	↑2.2
7/20 00:30	78.3	↑2.3
7/20 00:40	80.7	↑2.4
7/20 00:50	83.1	↑2.4
7/20 01:00	85.5	↑2.4
7/20 01:10	88.0	↑2.5
7/20 01:20	90.4	↑2.4
7/20 01:30	92.8	↑2.4
7/20 01:40	95.3	↑2.5
7/20 01:50	97.6	↑2.3
7/20 02:00	99.9	↑2.3
7/20 02:10	102.2	↑2.3
7/20 02:20	104.3	↑2.1
7/20 02:30	106.3	↑2.0
7/20 02:40	108.3	↑2.0
7/20 02:50	110.1	↑1.8
7/20 03:00	111.7	↑1.6
7/20 03:10	113.2	↑1.5
7/20 03:20	114.5	↑1.3
7/20 03:30	115.7	↑1.2
7/20 03:40	116.6	↑0.9
7/20 03:50	117.4	↑0.8
7/20 04:00	118.0	↑0.6
7/20 04:10	118.3	↑0.3
7/20 04:20	118.4	↑0.1	満潮
7/20 04:30	118.4	0
7/20 04:40	118.0	↓-0.4
7/20 04:50	117.5	↓-0.5
7/20 05:00	116.8	↓-0.7
7/20 05:10	115.8	↓-1.0
7/20 05:20	114.6	↓-1.2
7/20 05:30	113.2	↓-1.4
7/20 05:40	111.6	↓-1.6
7/20 05:50	109.8	↓-1.8
7/20 06:00	107.8	↓-2.0
7/20 06:10	105.6	↓-2.2
7/20 06:20	103.3	↓-2.3
7/20 06:30	100.8	↓-2.5
7/20 06:40	98.1	↓-2.7
7/20 06:50	95.3	↓-2.8
7/20 07:00	92.4	↓-2.9
7/20 07:10	89.3	↓-3.1
7/20 07:20	86.2	↓-3.1
7/20 07:30	83.0	↓-3.2
7/20 07:40	79.8	↓-3.2
7/20 07:50	76.5	↓-3.3
7/20 08:00	73.2	↓-3.3
7/20 08:10	69.8	↓-3.4	最大潮位差
7/20 08:20	66.5	↓-3.3
7/20 08:30	63.2	↓-3.3
7/20 08:40	60.0	↓-3.2
7/20 08:50	56.8	↓-3.2
7/20 09:00	53.7	↓-3.1
7/20 09:10	50.6	↓-3.1
7/20 09:20	47.7	↓-2.9
7/20 09:30	44.9	↓-2.8
7/20 09:40	42.3	↓-2.6
7/20 09:50	39.7	↓-2.6
7/20 10:00	37.4	↓-2.3
7/20 10:10	35.2	↓-2.2
7/20 10:20	33.1	↓-2.1
7/20 10:30	31.3	↓-1.8
7/20 10:40	29.6	↓-1.7
7/20 10:50	28.2	↓-1.4
7/20 11:00	26.9	↓-1.3
7/20 11:10	25.9	↓-1.0
7/20 11:20	25.0	↓-0.9
7/20 11:30	24.4	↓-0.6
7/20 11:40	23.9	↓-0.5
7/20 11:50	23.7	↓-0.2	干潮
7/20 12:00	23.7	0
7/20 12:10	23.8	↑0.1
7/20 12:20	24.1	↑0.3
7/20 12:30	24.7	↑0.6
7/20 12:40	25.3	↑0.6
7/20 12:50	26.2	↑0.9
7/20 13:00	27.2	↑1.0
7/20 13:10	28.3	↑1.1
7/20 13:20	29.6	↑1.3
7/20 13:30	31.0	↑1.4
7/20 13:40	32.5	↑1.5
7/20 13:50	34.1	↑1.6
7/20 14:00	35.8	↑1.7
7/20 14:10	37.5	↑1.7
7/20 14:20	39.3	↑1.8
7/20 14:30	41.1	↑1.8
7/20 14:40	42.9	↑1.8
7/20 14:50	44.8	↑1.9
7/20 15:00	46.6	↑1.8
7/20 15:10	48.4	↑1.8
7/20 15:20	50.2	↑1.8
7/20 15:30	51.9	↑1.7
7/20 15:40	53.6	↑1.7
7/20 15:50	55.2	↑1.6
7/20 16:00	56.7	↑1.5
7/20 16:10	58.2	↑1.5
7/20 16:20	59.5	↑1.3
7/20 16:30	60.7	↑1.2
7/20 16:40	61.9	↑1.2
7/20 16:50	62.9	↑1.0
7/20 17:00	63.7	↑0.8
7/20 17:10	64.5	↑0.8
7/20 17:20	65.1	↑0.6
7/20 17:30	65.6	↑0.5
7/20 17:40	66.0	↑0.4
7/20 17:50	66.2	↑0.2
7/20 18:00	66.3	↑0.1	満潮
7/20 18:10	66.3	0
7/20 18:20	66.2	↓-0.1
7/20 18:30	66.0	↓-0.2
7/20 18:40	65.6	↓-0.4
7/20 18:50	65.2	↓-0.4
7/20 19:00	64.7	↓-0.5
7/20 19:10	64.1	↓-0.6
7/20 19:20	63.4	↓-0.7
7/20 19:30	62.7	↓-0.7
7/20 19:40	61.9	↓-0.8
7/20 19:50	61.1	↓-0.8
7/20 20:00	60.2	↓-0.9
7/20 20:10	59.4	↓-0.8
7/20 20:20	58.5	↓-0.9
7/20 20:30	57.7	↓-0.8
7/20 20:40	56.8	↓-0.9
7/20 20:50	56.1	↓-0.7
7/20 21:00	55.3	↓-0.8
7/20 21:10	54.6	↓-0.7
7/20 21:20	54.0	↓-0.6
7/20 21:30	53.5	↓-0.5
7/20 21:40	53.1	↓-0.4
7/20 21:50	52.8	↓-0.3
7/20 22:00	52.5	↓-0.3
7/20 22:10	52.4	↓-0.1	干潮
7/20 22:20	52.5	↑0.1
7/20 22:30	52.6	↑0.1
7/20 22:40	52.9	↑0.3
7/20 22:50	53.3	↑0.4
7/20 23:00	53.9	↑0.6
7/20 23:10	54.6	↑0.7
7/20 23:20	55.4	↑0.8
7/20 23:30	56.4	↑1.0
7/20 23:40	57.5	↑1.1
7/20 23:50	58.8	↑1.3