21 (木)	03:09	11:19	18:11	20:09
	125cm	8cm	54cm	53cm
大潮 出 03:38 入 19:09 出 21:13 入 05:54 潮干狩り ◎ 09:12～13:47

コイセボイ（北海道）2046年06月21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
6/21 00:00	93.9	↑2.5
6/21 00:10	96.4	↑2.5
6/21 00:20	98.9	↑2.5
6/21 00:30	101.3	↑2.4
6/21 00:40	103.6	↑2.3
6/21 00:50	106.0	↑2.4
6/21 01:00	108.2	↑2.2
6/21 01:10	110.3	↑2.1
6/21 01:20	112.4	↑2.1
6/21 01:30	114.3	↑1.9
6/21 01:40	116.1	↑1.8
6/21 01:50	117.7	↑1.6
6/21 02:00	119.2	↑1.5
6/21 02:10	120.5	↑1.3
6/21 02:20	121.6	↑1.1
6/21 02:30	122.5	↑0.9
6/21 02:40	123.2	↑0.7
6/21 02:50	123.7	↑0.5
6/21 03:00	124.0	↑0.3	満潮
6/21 03:10	124.1	↑0.1
6/21 03:20	124.0	↓-0.1
6/21 03:30	123.6	↓-0.4
6/21 03:40	123.0	↓-0.6
6/21 03:50	122.1	↓-0.9
6/21 04:00	121.0	↓-1.1
6/21 04:10	119.7	↓-1.3
6/21 04:20	118.2	↓-1.5
6/21 04:30	116.4	↓-1.8
6/21 04:40	114.4	↓-2.0
6/21 04:50	112.3	↓-2.1
6/21 05:00	109.9	↓-2.4
6/21 05:10	107.3	↓-2.6
6/21 05:20	104.5	↓-2.8
6/21 05:30	101.6	↓-2.9
6/21 05:40	98.5	↓-3.1
6/21 05:50	95.2	↓-3.3
6/21 06:00	91.9	↓-3.3
6/21 06:10	88.4	↓-3.5
6/21 06:20	84.8	↓-3.6
6/21 06:30	81.1	↓-3.7
6/21 06:40	77.4	↓-3.7
6/21 06:50	73.6	↓-3.8
6/21 07:00	69.8	↓-3.8
6/21 07:10	66.0	↓-3.8
6/21 07:20	62.1	↓-3.9	最大潮位差
6/21 07:30	58.3	↓-3.8
6/21 07:40	54.5	↓-3.8
6/21 07:50	50.8	↓-3.7
6/21 08:00	47.2	↓-3.6
6/21 08:10	43.6	↓-3.6
6/21 08:20	40.2	↓-3.4
6/21 08:30	36.8	↓-3.4
6/21 08:40	33.6	↓-3.2
6/21 08:50	30.5	↓-3.1
6/21 09:00	27.6	↓-2.9
6/21 09:10	24.9	↓-2.7
6/21 09:20	22.3	↓-2.6
6/21 09:30	20.0	↓-2.3
6/21 09:40	17.8	↓-2.2
6/21 09:50	15.8	↓-2.0
6/21 10:00	14.0	↓-1.8
6/21 10:10	12.5	↓-1.5
6/21 10:20	11.1	↓-1.4
6/21 10:30	10.0	↓-1.1
6/21 10:40	9.1	↓-0.9
6/21 10:50	8.4	↓-0.7
6/21 11:00	7.9	↓-0.5
6/21 11:10	7.6	↓-0.3	干潮
6/21 11:20	7.6	0
6/21 11:30	7.7	↑0.1
6/21 11:40	8.0	↑0.3
6/21 11:50	8.5	↑0.5
6/21 12:00	9.2	↑0.7
6/21 12:10	10.1	↑0.9
6/21 12:20	11.1	↑1.0
6/21 12:30	12.2	↑1.1
6/21 12:40	13.5	↑1.3
6/21 12:50	14.9	↑1.4
6/21 13:00	16.4	↑1.5
6/21 13:10	18.0	↑1.6
6/21 13:20	19.7	↑1.7
6/21 13:30	21.4	↑1.7
6/21 13:40	23.2	↑1.8
6/21 13:50	25.0	↑1.8
6/21 14:00	26.9	↑1.9
6/21 14:10	28.7	↑1.8
6/21 14:20	30.6	↑1.9
6/21 14:30	32.4	↑1.8
6/21 14:40	34.3	↑1.9
6/21 14:50	36.0	↑1.7
6/21 15:00	37.8	↑1.8
6/21 15:10	39.5	↑1.7
6/21 15:20	41.1	↑1.6
6/21 15:30	42.6	↑1.5
6/21 15:40	44.0	↑1.4
6/21 15:50	45.4	↑1.4
6/21 16:00	46.6	↑1.2
6/21 16:10	47.8	↑1.2
6/21 16:20	48.9	↑1.1
6/21 16:30	49.8	↑0.9
6/21 16:40	50.7	↑0.9
6/21 16:50	51.4	↑0.7
6/21 17:00	52.1	↑0.7
6/21 17:10	52.6	↑0.5
6/21 17:20	53.0	↑0.4
6/21 17:30	53.4	↑0.4
6/21 17:40	53.6	↑0.2
6/21 17:50	53.8	↑0.2
6/21 18:00	53.9	↑0.1
6/21 18:10	53.9	0	満潮
6/21 18:20	53.9	0
6/21 18:30	53.8	↓-0.1
6/21 18:40	53.7	↓-0.1
6/21 18:50	53.5	↓-0.2
6/21 19:00	53.4	↓-0.1
6/21 19:10	53.2	↓-0.2
6/21 19:20	53.0	↓-0.2
6/21 19:30	52.8	↓-0.2
6/21 19:40	52.7	↓-0.1
6/21 19:50	52.5	↓-0.2
6/21 20:00	52.5	0	干潮
6/21 20:10	52.5	0
6/21 20:20	52.5	0
6/21 20:30	52.6	↑0.1
6/21 20:40	52.8	↑0.2
6/21 20:50	53.1	↑0.3
6/21 21:00	53.5	↑0.4
6/21 21:10	54.0	↑0.5
6/21 21:20	54.6	↑0.6
6/21 21:30	55.3	↑0.7
6/21 21:40	56.2	↑0.9
6/21 21:50	57.1	↑0.9
6/21 22:00	58.2	↑1.1
6/21 22:10	59.4	↑1.2
6/21 22:20	60.8	↑1.4
6/21 22:30	62.2	↑1.4
6/21 22:40	63.8	↑1.6
6/21 22:50	65.5	↑1.7
6/21 23:00	67.3	↑1.8
6/21 23:10	69.2	↑1.9
6/21 23:20	71.2	↑2.0
6/21 23:30	73.3	↑2.1
6/21 23:40	75.5	↑2.2
6/21 23:50	77.8	↑2.3