18 (火)	03:15	11:11	17:43	20:41
	121cm	10cm	57cm	52cm
中潮 出 03:38 入 19:08 出 21:03 入 06:13 潮干狩り ◎ 09:12～13:26

コイセボイ（北海道）2030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	88.5	↑2.4
6/18 00:10	91.0	↑2.5
6/18 00:20	93.5	↑2.5
6/18 00:30	96.0	↑2.5
6/18 00:40	98.4	↑2.4
6/18 00:50	100.8	↑2.4
6/18 01:00	103.1	↑2.3
6/18 01:10	105.3	↑2.2
6/18 01:20	107.4	↑2.1
6/18 01:30	109.4	↑2.0
6/18 01:40	111.3	↑1.9
6/18 01:50	113.0	↑1.7
6/18 02:00	114.6	↑1.6
6/18 02:10	116.0	↑1.4
6/18 02:20	117.2	↑1.2
6/18 02:30	118.3	↑1.1
6/18 02:40	119.1	↑0.8
6/18 02:50	119.8	↑0.7
6/18 03:00	120.2	↑0.4
6/18 03:10	120.4	↑0.2	満潮
6/18 03:20	120.4	0
6/18 03:30	120.1	↓-0.3
6/18 03:40	119.6	↓-0.5
6/18 03:50	118.9	↓-0.7
6/18 04:00	117.9	↓-1.0
6/18 04:10	116.7	↓-1.2
6/18 04:20	115.3	↓-1.4
6/18 04:30	113.6	↓-1.7
6/18 04:40	111.8	↓-1.8
6/18 04:50	109.7	↓-2.1
6/18 05:00	107.4	↓-2.3
6/18 05:10	104.9	↓-2.5
6/18 05:20	102.3	↓-2.6
6/18 05:30	99.4	↓-2.9
6/18 05:40	96.4	↓-3.0
6/18 05:50	93.3	↓-3.1
6/18 06:00	90.0	↓-3.3
6/18 06:10	86.6	↓-3.4
6/18 06:20	83.1	↓-3.5
6/18 06:30	79.5	↓-3.6
6/18 06:40	75.9	↓-3.6
6/18 06:50	72.2	↓-3.7
6/18 07:00	68.5	↓-3.7
6/18 07:10	64.7	↓-3.8	最大潮位差
6/18 07:20	61.0	↓-3.7
6/18 07:30	57.3	↓-3.7
6/18 07:40	53.6	↓-3.7
6/18 07:50	50.0	↓-3.6
6/18 08:00	46.4	↓-3.6
6/18 08:10	43.0	↓-3.4
6/18 08:20	39.6	↓-3.4
6/18 08:30	36.4	↓-3.2
6/18 08:40	33.3	↓-3.1
6/18 08:50	30.4	↓-2.9
6/18 09:00	27.6	↓-2.8
6/18 09:10	25.0	↓-2.6
6/18 09:20	22.5	↓-2.5
6/18 09:30	20.3	↓-2.2
6/18 09:40	18.2	↓-2.1
6/18 09:50	16.4	↓-1.8
6/18 10:00	14.8	↓-1.6
6/18 10:10	13.4	↓-1.4
6/18 10:20	12.2	↓-1.2
6/18 10:30	11.2	↓-1.0
6/18 10:40	10.5	↓-0.7
6/18 10:50	9.9	↓-0.6
6/18 11:00	9.6	↓-0.3
6/18 11:10	9.5	↓-0.1	干潮
6/18 11:20	9.6	↑0.1
6/18 11:30	9.9	↑0.3
6/18 11:40	10.4	↑0.5
6/18 11:50	11.0	↑0.6
6/18 12:00	11.9	↑0.9
6/18 12:10	12.9	↑1.0
6/18 12:20	14.0	↑1.1
6/18 12:30	15.3	↑1.3
6/18 12:40	16.8	↑1.5
6/18 12:50	18.3	↑1.5
6/18 13:00	19.9	↑1.6
6/18 13:10	21.7	↑1.8
6/18 13:20	23.5	↑1.8
6/18 13:30	25.3	↑1.8
6/18 13:40	27.2	↑1.9
6/18 13:50	29.1	↑1.9
6/18 14:00	31.1	↑2.0
6/18 14:10	33.0	↑1.9
6/18 14:20	34.9	↑1.9
6/18 14:30	36.8	↑1.9
6/18 14:40	38.7	↑1.9
6/18 14:50	40.5	↑1.8
6/18 15:00	42.3	↑1.8
6/18 15:10	43.9	↑1.6
6/18 15:20	45.5	↑1.6
6/18 15:30	47.1	↑1.6
6/18 15:40	48.5	↑1.4
6/18 15:50	49.8	↑1.3
6/18 16:00	51.0	↑1.2
6/18 16:10	52.0	↑1.0
6/18 16:20	53.0	↑1.0
6/18 16:30	53.9	↑0.9
6/18 16:40	54.6	↑0.7
6/18 16:50	55.2	↑0.6
6/18 17:00	55.7	↑0.5
6/18 17:10	56.1	↑0.4
6/18 17:20	56.3	↑0.2
6/18 17:30	56.5	↑0.2
6/18 17:40	56.6	↑0.1	満潮
6/18 17:50	56.5	↓-0.1
6/18 18:00	56.4	↓-0.1
6/18 18:10	56.2	↓-0.2
6/18 18:20	56.0	↓-0.2
6/18 18:30	55.6	↓-0.4
6/18 18:40	55.3	↓-0.3
6/18 18:50	54.9	↓-0.4
6/18 19:00	54.4	↓-0.5
6/18 19:10	54.0	↓-0.4
6/18 19:20	53.6	↓-0.4
6/18 19:30	53.1	↓-0.5
6/18 19:40	52.7	↓-0.4
6/18 19:50	52.3	↓-0.4
6/18 20:00	52.0	↓-0.3
6/18 20:10	51.7	↓-0.3
6/18 20:20	51.5	↓-0.2
6/18 20:30	51.4	↓-0.1
6/18 20:40	51.3	↓-0.1	干潮
6/18 20:50	51.4	↑0.1
6/18 21:00	51.5	↑0.1
6/18 21:10	51.8	↑0.3
6/18 21:20	52.2	↑0.4
6/18 21:30	52.7	↑0.5
6/18 21:40	53.3	↑0.6
6/18 21:50	54.1	↑0.8
6/18 22:00	55.0	↑0.9
6/18 22:10	56.0	↑1.0
6/18 22:20	57.2	↑1.2
6/18 22:30	58.5	↑1.3
6/18 22:40	59.9	↑1.4
6/18 22:50	61.5	↑1.6
6/18 23:00	63.2	↑1.7
6/18 23:10	65.0	↑1.8
6/18 23:20	66.9	↑1.9
6/18 23:30	68.9	↑2.0
6/18 23:40	71.0	↑2.1
6/18 23:50	73.2	↑2.2