20 (金)	04:19	12:00	18:24	22:07
	114cm	17cm	62cm	53cm
中潮 出 03:38 入 19:09 出 07:59 入 21:58 潮干狩り ○ 10:30～13:37

コイセボイ（北海道）2053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	68.8	↑2.0
6/20 00:10	70.9	↑2.1
6/20 00:20	73.0	↑2.1
6/20 00:30	75.2	↑2.2
6/20 00:40	77.5	↑2.3
6/20 00:50	79.8	↑2.3
6/20 01:00	82.2	↑2.4
6/20 01:10	84.5	↑2.3
6/20 01:20	86.9	↑2.4
6/20 01:30	89.2	↑2.3
6/20 01:40	91.5	↑2.3
6/20 01:50	93.8	↑2.3
6/20 02:00	96.0	↑2.2
6/20 02:10	98.2	↑2.2
6/20 02:20	100.2	↑2.0
6/20 02:30	102.2	↑2.0
6/20 02:40	104.0	↑1.8
6/20 02:50	105.7	↑1.7
6/20 03:00	107.3	↑1.6
6/20 03:10	108.7	↑1.4
6/20 03:20	109.9	↑1.2
6/20 03:30	111.0	↑1.1
6/20 03:40	111.8	↑0.8
6/20 03:50	112.5	↑0.7
6/20 04:00	113.0	↑0.5
6/20 04:10	113.3	↑0.3	満潮
6/20 04:20	113.3	0
6/20 04:30	113.2	↓-0.1
6/20 04:40	112.8	↓-0.4
6/20 04:50	112.2	↓-0.6
6/20 05:00	111.4	↓-0.8
6/20 05:10	110.4	↓-1.0
6/20 05:20	109.1	↓-1.3
6/20 05:30	107.7	↓-1.4
6/20 05:40	106.0	↓-1.7
6/20 05:50	104.2	↓-1.8
6/20 06:00	102.1	↓-2.1
6/20 06:10	99.9	↓-2.2
6/20 06:20	97.5	↓-2.4
6/20 06:30	94.9	↓-2.6
6/20 06:40	92.2	↓-2.7
6/20 06:50	89.4	↓-2.8
6/20 07:00	86.4	↓-3.0
6/20 07:10	83.3	↓-3.1
6/20 07:20	80.2	↓-3.1
6/20 07:30	76.9	↓-3.3
6/20 07:40	73.6	↓-3.3
6/20 07:50	70.3	↓-3.3
6/20 08:00	66.9	↓-3.4	最大潮位差
6/20 08:10	63.6	↓-3.3
6/20 08:20	60.2	↓-3.4	最大潮位差
6/20 08:30	56.9	↓-3.3
6/20 08:40	53.6	↓-3.3
6/20 08:50	50.4	↓-3.2
6/20 09:00	47.2	↓-3.2
6/20 09:10	44.1	↓-3.1
6/20 09:20	41.2	↓-2.9
6/20 09:30	38.3	↓-2.9
6/20 09:40	35.6	↓-2.7
6/20 09:50	33.0	↓-2.6
6/20 10:00	30.6	↓-2.4
6/20 10:10	28.4	↓-2.2
6/20 10:20	26.3	↓-2.1
6/20 10:30	24.4	↓-1.9
6/20 10:40	22.7	↓-1.7
6/20 10:50	21.2	↓-1.5
6/20 11:00	19.9	↓-1.3
6/20 11:10	18.8	↓-1.1
6/20 11:20	17.9	↓-0.9
6/20 11:30	17.2	↓-0.7
6/20 11:40	16.7	↓-0.5
6/20 11:50	16.4	↓-0.3	干潮
6/20 12:00	16.3	↓-0.1	干潮
6/20 12:10	16.4	↑0.1
6/20 12:20	16.7	↑0.3
6/20 12:30	17.2	↑0.5
6/20 12:40	17.9	↑0.7
6/20 12:50	18.7	↑0.8
6/20 13:00	19.7	↑1.0
6/20 13:10	20.8	↑1.1
6/20 13:20	22.1	↑1.3
6/20 13:30	23.4	↑1.3
6/20 13:40	24.9	↑1.5
6/20 13:50	26.5	↑1.6
6/20 14:00	28.2	↑1.7
6/20 14:10	30.0	↑1.8
6/20 14:20	31.8	↑1.8
6/20 14:30	33.6	↑1.8
6/20 14:40	35.5	↑1.9
6/20 14:50	37.4	↑1.9
6/20 15:00	39.3	↑1.9
6/20 15:10	41.1	↑1.8
6/20 15:20	43.0	↑1.9
6/20 15:30	44.8	↑1.8
6/20 15:40	46.6	↑1.8
6/20 15:50	48.3	↑1.7
6/20 16:00	49.9	↑1.6
6/20 16:10	51.5	↑1.6
6/20 16:20	52.9	↑1.4
6/20 16:30	54.3	↑1.4
6/20 16:40	55.6	↑1.3
6/20 16:50	56.7	↑1.1
6/20 17:00	57.8	↑1.1
6/20 17:10	58.7	↑0.9
6/20 17:20	59.5	↑0.8
6/20 17:30	60.2	↑0.7
6/20 17:40	60.7	↑0.5
6/20 17:50	61.1	↑0.4
6/20 18:00	61.5	↑0.4
6/20 18:10	61.7	↑0.2
6/20 18:20	61.7	0	満潮
6/20 18:30	61.7	0
6/20 18:40	61.6	↓-0.1
6/20 18:50	61.4	↓-0.2
6/20 19:00	61.0	↓-0.4
6/20 19:10	60.7	↓-0.3
6/20 19:20	60.2	↓-0.5
6/20 19:30	59.7	↓-0.5
6/20 19:40	59.1	↓-0.6
6/20 19:50	58.5	↓-0.6
6/20 20:00	57.9	↓-0.6
6/20 20:10	57.2	↓-0.7
6/20 20:20	56.5	↓-0.7
6/20 20:30	55.9	↓-0.6
6/20 20:40	55.3	↓-0.6
6/20 20:50	54.6	↓-0.7
6/20 21:00	54.1	↓-0.5
6/20 21:10	53.6	↓-0.5
6/20 21:20	53.1	↓-0.5
6/20 21:30	52.7	↓-0.4
6/20 21:40	52.4	↓-0.3
6/20 21:50	52.2	↓-0.2
6/20 22:00	52.1	↓-0.1	干潮
6/20 22:10	52.1	0
6/20 22:20	52.2	↑0.1
6/20 22:30	52.4	↑0.2
6/20 22:40	52.8	↑0.4
6/20 22:50	53.2	↑0.4
6/20 23:00	53.8	↑0.6
6/20 23:10	54.5	↑0.7
6/20 23:20	55.4	↑0.9
6/20 23:30	56.4	↑1.0
6/20 23:40	57.5	↑1.1
6/20 23:50	58.7	↑1.2