18 (木)	03:40	11:53	18:48	20:29
	124cm	9cm	53cm	52cm
中潮 出 03:38 入 19:08 出 06:48 入 21:56 潮干狩り ◎ 09:48～14:19

コイセボイ（北海道）2026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	85.8	↑2.4
6/18 00:10	88.2	↑2.4
6/18 00:20	90.7	↑2.5
6/18 00:30	93.2	↑2.5
6/18 00:40	95.6	↑2.4
6/18 00:50	98.1	↑2.5
6/18 01:00	100.5	↑2.4
6/18 01:10	102.8	↑2.3
6/18 01:20	105.1	↑2.3
6/18 01:30	107.4	↑2.3
6/18 01:40	109.5	↑2.1
6/18 01:50	111.5	↑2.0
6/18 02:00	113.4	↑1.9
6/18 02:10	115.2	↑1.8
6/18 02:20	116.8	↑1.6
6/18 02:30	118.2	↑1.4
6/18 02:40	119.5	↑1.3
6/18 02:50	120.6	↑1.1
6/18 03:00	121.6	↑1.0
6/18 03:10	122.3	↑0.7
6/18 03:20	122.8	↑0.5
6/18 03:30	123.1	↑0.3	満潮
6/18 03:40	123.2	↑0.1	満潮
6/18 03:50	123.0	↓-0.2
6/18 04:00	122.7	↓-0.3
6/18 04:10	122.1	↓-0.6
6/18 04:20	121.3	↓-0.8
6/18 04:30	120.2	↓-1.1
6/18 04:40	118.9	↓-1.3
6/18 04:50	117.4	↓-1.5
6/18 05:00	115.7	↓-1.7
6/18 05:10	113.8	↓-1.9
6/18 05:20	111.7	↓-2.1
6/18 05:30	109.3	↓-2.4
6/18 05:40	106.8	↓-2.5
6/18 05:50	104.1	↓-2.7
6/18 06:00	101.2	↓-2.9
6/18 06:10	98.2	↓-3.0
6/18 06:20	95.1	↓-3.1
6/18 06:30	91.8	↓-3.3
6/18 06:40	88.4	↓-3.4
6/18 06:50	84.9	↓-3.5
6/18 07:00	81.3	↓-3.6
6/18 07:10	77.6	↓-3.7
6/18 07:20	73.9	↓-3.7
6/18 07:30	70.2	↓-3.7
6/18 07:40	66.5	↓-3.7
6/18 07:50	62.7	↓-3.8	最大潮位差
6/18 08:00	59.0	↓-3.7
6/18 08:10	55.3	↓-3.7
6/18 08:20	51.7	↓-3.6
6/18 08:30	48.1	↓-3.6
6/18 08:40	44.6	↓-3.5
6/18 08:50	41.2	↓-3.4
6/18 09:00	38.0	↓-3.2
6/18 09:10	34.8	↓-3.2
6/18 09:20	31.8	↓-3.0
6/18 09:30	28.9	↓-2.9
6/18 09:40	26.3	↓-2.6
6/18 09:50	23.7	↓-2.6
6/18 10:00	21.4	↓-2.3
6/18 10:10	19.2	↓-2.2
6/18 10:20	17.3	↓-1.9
6/18 10:30	15.5	↓-1.8
6/18 10:40	13.9	↓-1.6
6/18 10:50	12.6	↓-1.3
6/18 11:00	11.4	↓-1.2
6/18 11:10	10.5	↓-0.9
6/18 11:20	9.8	↓-0.7
6/18 11:30	9.2	↓-0.6
6/18 11:40	8.9	↓-0.3
6/18 11:50	8.8	↓-0.1	干潮
6/18 12:00	8.8	0
6/18 12:10	9.1	↑0.3
6/18 12:20	9.5	↑0.4
6/18 12:30	10.1	↑0.6
6/18 12:40	10.9	↑0.8
6/18 12:50	11.8	↑0.9
6/18 13:00	12.8	↑1.0
6/18 13:10	14.0	↑1.2
6/18 13:20	15.3	↑1.3
6/18 13:30	16.7	↑1.4
6/18 13:40	18.1	↑1.4
6/18 13:50	19.7	↑1.6
6/18 14:00	21.3	↑1.6
6/18 14:10	23.0	↑1.7
6/18 14:20	24.7	↑1.7
6/18 14:30	26.4	↑1.7
6/18 14:40	28.2	↑1.8
6/18 14:50	29.9	↑1.7
6/18 15:00	31.6	↑1.7
6/18 15:10	33.4	↑1.8
6/18 15:20	35.0	↑1.6
6/18 15:30	36.7	↑1.7
6/18 15:40	38.2	↑1.5
6/18 15:50	39.8	↑1.6
6/18 16:00	41.2	↑1.4
6/18 16:10	42.6	↑1.4
6/18 16:20	43.9	↑1.3
6/18 16:30	45.1	↑1.2
6/18 16:40	46.2	↑1.1
6/18 16:50	47.2	↑1.0
6/18 17:00	48.1	↑0.9
6/18 17:10	48.9	↑0.8
6/18 17:20	49.7	↑0.8
6/18 17:30	50.3	↑0.6
6/18 17:40	50.8	↑0.5
6/18 17:50	51.3	↑0.5
6/18 18:00	51.6	↑0.3
6/18 18:10	51.9	↑0.3
6/18 18:20	52.1	↑0.2
6/18 18:30	52.2	↑0.1
6/18 18:40	52.3	↑0.1	満潮
6/18 18:50	52.3	0
6/18 19:00	52.3	0
6/18 19:10	52.2	↓-0.1
6/18 19:20	52.1	↓-0.1
6/18 19:30	52.0	↓-0.1
6/18 19:40	51.9	↓-0.1
6/18 19:50	51.7	↓-0.2
6/18 20:00	51.6	↓-0.1
6/18 20:10	51.5	↓-0.1
6/18 20:20	51.5	0	干潮
6/18 20:30	51.5	0
6/18 20:40	51.5	0
6/18 20:50	51.6	↑0.1
6/18 21:00	51.8	↑0.2
6/18 21:10	52.0	↑0.2
6/18 21:20	52.4	↑0.4
6/18 21:30	52.8	↑0.4
6/18 21:40	53.3	↑0.5
6/18 21:50	54.0	↑0.7
6/18 22:00	54.7	↑0.7
6/18 22:10	55.6	↑0.9
6/18 22:20	56.5	↑0.9
6/18 22:30	57.6	↑1.1
6/18 22:40	58.8	↑1.2
6/18 22:50	60.2	↑1.4
6/18 23:00	61.6	↑1.4
6/18 23:10	63.1	↑1.5
6/18 23:20	64.8	↑1.7
6/18 23:30	66.6	↑1.8
6/18 23:40	68.4	↑1.8
6/18 23:50	70.4	↑2.0