20 (月)	02:03	10:03	16:48	19:24
	119cm	9cm	58cm	55cm
大潮 出 03:38 入 19:09 出 04:27 入 19:33 潮干狩り ◎ 08:00～12:23

コイセボイ（北海道）2050年06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
6/20 00:00	104.6	↑2.0
6/20 00:10	106.6	↑2.0
6/20 00:20	108.4	↑1.8
6/20 00:30	110.2	↑1.8
6/20 00:40	111.8	↑1.6
6/20 00:50	113.2	↑1.4
6/20 01:00	114.5	↑1.3
6/20 01:10	115.6	↑1.1
6/20 01:20	116.6	↑1.0
6/20 01:30	117.4	↑0.8
6/20 01:40	117.9	↑0.5
6/20 01:50	118.3	↑0.4
6/20 02:00	118.4	↑0.1	満潮
6/20 02:10	118.3	↓-0.1
6/20 02:20	118.1	↓-0.2
6/20 02:30	117.5	↓-0.6
6/20 02:40	116.8	↓-0.7
6/20 02:50	115.8	↓-1.0
6/20 03:00	114.6	↓-1.2
6/20 03:10	113.2	↓-1.4
6/20 03:20	111.6	↓-1.6
6/20 03:30	109.8	↓-1.8
6/20 03:40	107.7	↓-2.1
6/20 03:50	105.5	↓-2.2
6/20 04:00	103.1	↓-2.4
6/20 04:10	100.5	↓-2.6
6/20 04:20	97.7	↓-2.8
6/20 04:30	94.7	↓-3.0
6/20 04:40	91.7	↓-3.0
6/20 04:50	88.5	↓-3.2
6/20 05:00	85.1	↓-3.4
6/20 05:10	81.7	↓-3.4
6/20 05:20	78.2	↓-3.5
6/20 05:30	74.6	↓-3.6
6/20 05:40	71.0	↓-3.6
6/20 05:50	67.4	↓-3.6
6/20 06:00	63.7	↓-3.7	最大潮位差
6/20 06:10	60.0	↓-3.7	最大潮位差
6/20 06:20	56.3	↓-3.7	最大潮位差
6/20 06:30	52.7	↓-3.6
6/20 06:40	49.1	↓-3.6
6/20 06:50	45.6	↓-3.5
6/20 07:00	42.2	↓-3.4
6/20 07:10	38.9	↓-3.3
6/20 07:20	35.7	↓-3.2
6/20 07:30	32.6	↓-3.1
6/20 07:40	29.7	↓-2.9
6/20 07:50	26.9	↓-2.8
6/20 08:00	24.3	↓-2.6
6/20 08:10	21.9	↓-2.4
6/20 08:20	19.6	↓-2.3
6/20 08:30	17.6	↓-2.0
6/20 08:40	15.7	↓-1.9
6/20 08:50	14.1	↓-1.6
6/20 09:00	12.6	↓-1.5
6/20 09:10	11.4	↓-1.2
6/20 09:20	10.4	↓-1.0
6/20 09:30	9.6	↓-0.8
6/20 09:40	9.1	↓-0.5
6/20 09:50	8.7	↓-0.4
6/20 10:00	8.5	↓-0.2	干潮
6/20 10:10	8.6	↑0.1
6/20 10:20	8.8	↑0.2
6/20 10:30	9.3	↑0.5
6/20 10:40	9.9	↑0.6
6/20 10:50	10.7	↑0.8
6/20 11:00	11.7	↑1.0
6/20 11:10	12.8	↑1.1
6/20 11:20	14.1	↑1.3
6/20 11:30	15.5	↑1.4
6/20 11:40	17.0	↑1.5
6/20 11:50	18.7	↑1.7
6/20 12:00	20.4	↑1.7
6/20 12:10	22.2	↑1.8
6/20 12:20	24.0	↑1.8
6/20 12:30	25.9	↑1.9
6/20 12:40	27.9	↑2.0
6/20 12:50	29.9	↑2.0
6/20 13:00	31.8	↑1.9
6/20 13:10	33.8	↑2.0
6/20 13:20	35.8	↑2.0
6/20 13:30	37.7	↑1.9
6/20 13:40	39.6	↑1.9
6/20 13:50	41.4	↑1.8
6/20 14:00	43.1	↑1.7
6/20 14:10	44.8	↑1.7
6/20 14:20	46.4	↑1.6
6/20 14:30	47.9	↑1.5
6/20 14:40	49.3	↑1.4
6/20 14:50	50.6	↑1.3
6/20 15:00	51.8	↑1.2
6/20 15:10	52.9	↑1.1
6/20 15:20	53.9	↑1.0
6/20 15:30	54.7	↑0.8
6/20 15:40	55.5	↑0.8
6/20 15:50	56.1	↑0.6
6/20 16:00	56.6	↑0.5
6/20 16:10	57.0	↑0.4
6/20 16:20	57.3	↑0.3
6/20 16:30	57.5	↑0.2
6/20 16:40	57.6	↑0.1	満潮
6/20 16:50	57.6	0
6/20 17:00	57.6	0
6/20 17:10	57.5	↓-0.1
6/20 17:20	57.3	↓-0.2
6/20 17:30	57.0	↓-0.3
6/20 17:40	56.7	↓-0.3
6/20 17:50	56.4	↓-0.3
6/20 18:00	56.1	↓-0.3
6/20 18:10	55.7	↓-0.4
6/20 18:20	55.4	↓-0.3
6/20 18:30	55.1	↓-0.3
6/20 18:40	54.8	↓-0.3
6/20 18:50	54.6	↓-0.2
6/20 19:00	54.4	↓-0.2
6/20 19:10	54.2	↓-0.2
6/20 19:20	54.2	0	干潮
6/20 19:30	54.2	0
6/20 19:40	54.3	↑0.1
6/20 19:50	54.5	↑0.2
6/20 20:00	54.8	↑0.3
6/20 20:10	55.2	↑0.4
6/20 20:20	55.8	↑0.6
6/20 20:30	56.4	↑0.6
6/20 20:40	57.2	↑0.8
6/20 20:50	58.1	↑0.9
6/20 21:00	59.2	↑1.1
6/20 21:10	60.4	↑1.2
6/20 21:20	61.7	↑1.3
6/20 21:30	63.1	↑1.4
6/20 21:40	64.7	↑1.6
6/20 21:50	66.4	↑1.7
6/20 22:00	68.2	↑1.8
6/20 22:10	70.1	↑1.9
6/20 22:20	72.2	↑2.1
6/20 22:30	74.3	↑2.1
6/20 22:40	76.5	↑2.2
6/20 22:50	78.7	↑2.2
6/20 23:00	81.1	↑2.4
6/20 23:10	83.5	↑2.4
6/20 23:20	85.9	↑2.4
6/20 23:30	88.3	↑2.4
6/20 23:40	90.8	↑2.5
6/20 23:50	93.2	↑2.4