20 (火)	04:07	11:48	18:11	21:54
	115cm	16cm	62cm	52cm
中潮 出 03:38 入 19:08 出 07:48 入 21:47 潮干狩り ○ 10:13～13:32

コイセボイ（北海道）2034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	71.6	↑2.2
6/20 00:10	73.8	↑2.2
6/20 00:20	76.0	↑2.2
6/20 00:30	78.4	↑2.4
6/20 00:40	80.7	↑2.3
6/20 00:50	83.1	↑2.4
6/20 01:00	85.5	↑2.4
6/20 01:10	87.9	↑2.4
6/20 01:20	90.3	↑2.4
6/20 01:30	92.7	↑2.4
6/20 01:40	95.0	↑2.3
6/20 01:50	97.2	↑2.2
6/20 02:00	99.4	↑2.2
6/20 02:10	101.4	↑2.0
6/20 02:20	103.4	↑2.0
6/20 02:30	105.2	↑1.8
6/20 02:40	106.9	↑1.7
6/20 02:50	108.5	↑1.6
6/20 03:00	109.9	↑1.4
6/20 03:10	111.1	↑1.2
6/20 03:20	112.2	↑1.1
6/20 03:30	113.0	↑0.8
6/20 03:40	113.7	↑0.7
6/20 03:50	114.1	↑0.4
6/20 04:00	114.4	↑0.3	満潮
6/20 04:10	114.4	0
6/20 04:20	114.2	↓-0.2
6/20 04:30	113.7	↓-0.5
6/20 04:40	113.1	↓-0.6
6/20 04:50	112.2	↓-0.9
6/20 05:00	111.1	↓-1.1
6/20 05:10	109.8	↓-1.3
6/20 05:20	108.3	↓-1.5
6/20 05:30	106.5	↓-1.8
6/20 05:40	104.6	↓-1.9
6/20 05:50	102.4	↓-2.2
6/20 06:00	100.1	↓-2.3
6/20 06:10	97.6	↓-2.5
6/20 06:20	95.0	↓-2.6
6/20 06:30	92.2	↓-2.8
6/20 06:40	89.2	↓-3.0
6/20 06:50	86.2	↓-3.0
6/20 07:00	83.0	↓-3.2
6/20 07:10	79.8	↓-3.2
6/20 07:20	76.5	↓-3.3
6/20 07:30	73.1	↓-3.4
6/20 07:40	69.7	↓-3.4
6/20 07:50	66.2	↓-3.5	最大潮位差
6/20 08:00	62.8	↓-3.4
6/20 08:10	59.3	↓-3.5	最大潮位差
6/20 08:20	55.9	↓-3.4
6/20 08:30	52.6	↓-3.3
6/20 08:40	49.3	↓-3.3
6/20 08:50	46.1	↓-3.2
6/20 09:00	43.0	↓-3.1
6/20 09:10	40.0	↓-3.0
6/20 09:20	37.1	↓-2.9
6/20 09:30	34.3	↓-2.8
6/20 09:40	31.7	↓-2.6
6/20 09:50	29.3	↓-2.4
6/20 10:00	27.0	↓-2.3
6/20 10:10	24.9	↓-2.1
6/20 10:20	23.0	↓-1.9
6/20 10:30	21.3	↓-1.7
6/20 10:40	19.8	↓-1.5
6/20 10:50	18.5	↓-1.3
6/20 11:00	17.4	↓-1.1
6/20 11:10	16.6	↓-0.8
6/20 11:20	15.9	↓-0.7
6/20 11:30	15.4	↓-0.5
6/20 11:40	15.2	↓-0.2	干潮
6/20 11:50	15.1	↓-0.1
6/20 12:00	15.3	↑0.2
6/20 12:10	15.6	↑0.3
6/20 12:20	16.1	↑0.5
6/20 12:30	16.8	↑0.7
6/20 12:40	17.7	↑0.9
6/20 12:50	18.8	↑1.1
6/20 13:00	19.9	↑1.1
6/20 13:10	21.3	↑1.4
6/20 13:20	22.7	↑1.4
6/20 13:30	24.2	↑1.5
6/20 13:40	25.9	↑1.7
6/20 13:50	27.6	↑1.7
6/20 14:00	29.4	↑1.8
6/20 14:10	31.3	↑1.9
6/20 14:20	33.2	↑1.9
6/20 14:30	35.1	↑1.9
6/20 14:40	37.0	↑1.9
6/20 14:50	39.0	↑2.0
6/20 15:00	40.9	↑1.9
6/20 15:10	42.8	↑1.9
6/20 15:20	44.6	↑1.8
6/20 15:30	46.4	↑1.8
6/20 15:40	48.1	↑1.7
6/20 15:50	49.8	↑1.7
6/20 16:00	51.4	↑1.6
6/20 16:10	52.8	↑1.4
6/20 16:20	54.2	↑1.4
6/20 16:30	55.5	↑1.3
6/20 16:40	56.6	↑1.1
6/20 16:50	57.7	↑1.1
6/20 17:00	58.6	↑0.9
6/20 17:10	59.4	↑0.8
6/20 17:20	60.0	↑0.6
6/20 17:30	60.6	↑0.6
6/20 17:40	61.0	↑0.4
6/20 17:50	61.3	↑0.3
6/20 18:00	61.5	↑0.2
6/20 18:10	61.5	0	満潮
6/20 18:20	61.5	0
6/20 18:30	61.3	↓-0.2
6/20 18:40	61.1	↓-0.2
6/20 18:50	60.7	↓-0.4
6/20 19:00	60.3	↓-0.4
6/20 19:10	59.8	↓-0.5
6/20 19:20	59.3	↓-0.5
6/20 19:30	58.7	↓-0.6
6/20 19:40	58.1	↓-0.6
6/20 19:50	57.4	↓-0.7
6/20 20:00	56.7	↓-0.7
6/20 20:10	56.1	↓-0.6
6/20 20:20	55.4	↓-0.7
6/20 20:30	54.7	↓-0.7
6/20 20:40	54.1	↓-0.6
6/20 20:50	53.6	↓-0.5
6/20 21:00	53.1	↓-0.5
6/20 21:10	52.6	↓-0.5
6/20 21:20	52.2	↓-0.4
6/20 21:30	52.0	↓-0.2
6/20 21:40	51.8	↓-0.2
6/20 21:50	51.7	↓-0.1	干潮
6/20 22:00	51.7	0
6/20 22:10	51.9	↑0.2
6/20 22:20	52.1	↑0.2
6/20 22:30	52.5	↑0.4
6/20 22:40	53.1	↑0.6
6/20 22:50	53.7	↑0.6
6/20 23:00	54.5	↑0.8
6/20 23:10	55.4	↑0.9
6/20 23:20	56.5	↑1.1
6/20 23:30	57.7	↑1.2
6/20 23:40	59.0	↑1.3
6/20 23:50	60.4	↑1.4