18 (金)	02:12	10:13	17:10	19:25
	119cm	6cm	58cm	56cm
大潮 出 03:38 入 19:08 出 20:21 入 04:25 潮干狩り ◎ 07:59～12:45

コイセボイ（北海道）2038年06月18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
6/18 00:00	102.6	↑2.2
6/18 00:10	104.7	↑2.1
6/18 00:20	106.7	↑2.0
6/18 00:30	108.5	↑1.8
6/18 00:40	110.3	↑1.8
6/18 00:50	111.9	↑1.6
6/18 01:00	113.4	↑1.5
6/18 01:10	114.7	↑1.3
6/18 01:20	115.9	↑1.2
6/18 01:30	116.8	↑0.9
6/18 01:40	117.6	↑0.8
6/18 01:50	118.1	↑0.5
6/18 02:00	118.5	↑0.4
6/18 02:10	118.6	↑0.1	満潮
6/18 02:20	118.6	0
6/18 02:30	118.2	↓-0.4
6/18 02:40	117.7	↓-0.5
6/18 02:50	116.9	↓-0.8
6/18 03:00	115.9	↓-1.0
6/18 03:10	114.7	↓-1.2
6/18 03:20	113.2	↓-1.5
6/18 03:30	111.6	↓-1.6
6/18 03:40	109.7	↓-1.9
6/18 03:50	107.5	↓-2.2
6/18 04:00	105.2	↓-2.3
6/18 04:10	102.7	↓-2.5
6/18 04:20	100.0	↓-2.7
6/18 04:30	97.2	↓-2.8
6/18 04:40	94.1	↓-3.1
6/18 04:50	90.9	↓-3.2
6/18 05:00	87.6	↓-3.3
6/18 05:10	84.2	↓-3.4
6/18 05:20	80.7	↓-3.5
6/18 05:30	77.1	↓-3.6
6/18 05:40	73.4	↓-3.7
6/18 05:50	69.6	↓-3.8	最大潮位差
6/18 06:00	65.9	↓-3.7
6/18 06:10	62.1	↓-3.8	最大潮位差
6/18 06:20	58.3	↓-3.8	最大潮位差
6/18 06:30	54.5	↓-3.8	最大潮位差
6/18 06:40	50.8	↓-3.7
6/18 06:50	47.1	↓-3.7
6/18 07:00	43.5	↓-3.6
6/18 07:10	39.9	↓-3.6
6/18 07:20	36.5	↓-3.4
6/18 07:30	33.2	↓-3.3
6/18 07:40	30.0	↓-3.2
6/18 07:50	27.0	↓-3.0
6/18 08:00	24.1	↓-2.9
6/18 08:10	21.5	↓-2.6
6/18 08:20	18.9	↓-2.6
6/18 08:30	16.6	↓-2.3
6/18 08:40	14.5	↓-2.1
6/18 08:50	12.6	↓-1.9
6/18 09:00	10.9	↓-1.7
6/18 09:10	9.4	↓-1.5
6/18 09:20	8.2	↓-1.2
6/18 09:30	7.2	↓-1.0
6/18 09:40	6.3	↓-0.9
6/18 09:50	5.8	↓-0.5
6/18 10:00	5.4	↓-0.4
6/18 10:10	5.2	↓-0.2	干潮
6/18 10:20	5.3	↑0.1
6/18 10:30	5.6	↑0.3
6/18 10:40	6.1	↑0.5
6/18 10:50	6.7	↑0.6
6/18 11:00	7.6	↑0.9
6/18 11:10	8.6	↑1.0
6/18 11:20	9.8	↑1.2
6/18 11:30	11.1	↑1.3
6/18 11:40	12.6	↑1.5
6/18 11:50	14.2	↑1.6
6/18 12:00	15.9	↑1.7
6/18 12:10	17.7	↑1.8
6/18 12:20	19.5	↑1.8
6/18 12:30	21.5	↑2.0
6/18 12:40	23.5	↑2.0
6/18 12:50	25.5	↑2.0
6/18 13:00	27.6	↑2.1
6/18 13:10	29.7	↑2.1
6/18 13:20	31.8	↑2.1
6/18 13:30	33.8	↑2.0
6/18 13:40	35.8	↑2.0
6/18 13:50	37.8	↑2.0
6/18 14:00	39.8	↑2.0
6/18 14:10	41.6	↑1.8
6/18 14:20	43.4	↑1.8
6/18 14:30	45.1	↑1.7
6/18 14:40	46.8	↑1.7
6/18 14:50	48.3	↑1.5
6/18 15:00	49.7	↑1.4
6/18 15:10	51.0	↑1.3
6/18 15:20	52.2	↑1.2
6/18 15:30	53.3	↑1.1
6/18 15:40	54.2	↑0.9
6/18 15:50	55.1	↑0.9
6/18 16:00	55.8	↑0.7
6/18 16:10	56.4	↑0.6
6/18 16:20	56.9	↑0.5
6/18 16:30	57.3	↑0.4
6/18 16:40	57.6	↑0.3
6/18 16:50	57.8	↑0.2
6/18 17:00	58.0	↑0.2	満潮
6/18 17:10	58.0	0	満潮
6/18 17:20	57.9	↓-0.1
6/18 17:30	57.8	↓-0.1
6/18 17:40	57.7	↓-0.1
6/18 17:50	57.5	↓-0.2
6/18 18:00	57.3	↓-0.2
6/18 18:10	57.0	↓-0.3
6/18 18:20	56.8	↓-0.2
6/18 18:30	56.5	↓-0.3
6/18 18:40	56.3	↓-0.2
6/18 18:50	56.1	↓-0.2
6/18 19:00	55.9	↓-0.2
6/18 19:10	55.8	↓-0.1
6/18 19:20	55.7	↓-0.1	干潮
6/18 19:30	55.7	0
6/18 19:40	55.8	↑0.1
6/18 19:50	56.0	↑0.2
6/18 20:00	56.3	↑0.3
6/18 20:10	56.6	↑0.3
6/18 20:20	57.1	↑0.5
6/18 20:30	57.7	↑0.6
6/18 20:40	58.5	↑0.8
6/18 20:50	59.3	↑0.8
6/18 21:00	60.3	↑1.0
6/18 21:10	61.4	↑1.1
6/18 21:20	62.7	↑1.3
6/18 21:30	64.0	↑1.3
6/18 21:40	65.5	↑1.5
6/18 21:50	67.2	↑1.7
6/18 22:00	68.9	↑1.7
6/18 22:10	70.7	↑1.8
6/18 22:20	72.7	↑2.0
6/18 22:30	74.8	↑2.1
6/18 22:40	76.9	↑2.1
6/18 22:50	79.1	↑2.2
6/18 23:00	81.4	↑2.3
6/18 23:10	83.8	↑2.4
6/18 23:20	86.2	↑2.4
6/18 23:30	88.6	↑2.4
6/18 23:40	91.1	↑2.5
6/18 23:50	93.5	↑2.4