20 (土)	05:10	13:01	19:19	22:55
	110cm	24cm	59cm	52cm
中潮 出 03:38 入 19:08 出 09:24 入 22:43 潮干狩り ○ 12:26～13:36

コイセボイ（北海道）2026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	61.0	↑1.4
6/20 00:10	62.5	↑1.5
6/20 00:20	64.1	↑1.6
6/20 00:30	65.8	↑1.7
6/20 00:40	67.6	↑1.8
6/20 00:50	69.5	↑1.9
6/20 01:00	71.4	↑1.9
6/20 01:10	73.4	↑2.0
6/20 01:20	75.4	↑2.0
6/20 01:30	77.5	↑2.1
6/20 01:40	79.6	↑2.1
6/20 01:50	81.7	↑2.1
6/20 02:00	83.9	↑2.2
6/20 02:10	86.0	↑2.1
6/20 02:20	88.1	↑2.1
6/20 02:30	90.2	↑2.1
6/20 02:40	92.2	↑2.0
6/20 02:50	94.2	↑2.0
6/20 03:00	96.1	↑1.9
6/20 03:10	97.9	↑1.8
6/20 03:20	99.7	↑1.8
6/20 03:30	101.3	↑1.6
6/20 03:40	102.8	↑1.5
6/20 03:50	104.2	↑1.4
6/20 04:00	105.4	↑1.2
6/20 04:10	106.6	↑1.2
6/20 04:20	107.5	↑0.9
6/20 04:30	108.3	↑0.8
6/20 04:40	108.9	↑0.6
6/20 04:50	109.3	↑0.4
6/20 05:00	109.6	↑0.3	満潮
6/20 05:10	109.7	↑0.1	満潮
6/20 05:20	109.5	↓-0.2
6/20 05:30	109.2	↓-0.3
6/20 05:40	108.7	↓-0.5
6/20 05:50	108.1	↓-0.6
6/20 06:00	107.2	↓-0.9
6/20 06:10	106.1	↓-1.1
6/20 06:20	104.9	↓-1.2
6/20 06:30	103.4	↓-1.5
6/20 06:40	101.9	↓-1.5
6/20 06:50	100.1	↓-1.8
6/20 07:00	98.2	↓-1.9
6/20 07:10	96.1	↓-2.1
6/20 07:20	93.9	↓-2.2
6/20 07:30	91.6	↓-2.3
6/20 07:40	89.1	↓-2.5
6/20 07:50	86.5	↓-2.6
6/20 08:00	83.9	↓-2.6
6/20 08:10	81.1	↓-2.8
6/20 08:20	78.3	↓-2.8
6/20 08:30	75.5	↓-2.8
6/20 08:40	72.6	↓-2.9
6/20 08:50	69.6	↓-3.0	最大潮位差
6/20 09:00	66.7	↓-2.9
6/20 09:10	63.8	↓-2.9
6/20 09:20	60.9	↓-2.9
6/20 09:30	58.0	↓-2.9
6/20 09:40	55.1	↓-2.9
6/20 09:50	52.3	↓-2.8
6/20 10:00	49.6	↓-2.7
6/20 10:10	47.0	↓-2.6
6/20 10:20	44.5	↓-2.5
6/20 10:30	42.0	↓-2.5
6/20 10:40	39.7	↓-2.3
6/20 10:50	37.5	↓-2.2
6/20 11:00	35.5	↓-2.0
6/20 11:10	33.6	↓-1.9
6/20 11:20	31.8	↓-1.8
6/20 11:30	30.2	↓-1.6
6/20 11:40	28.8	↓-1.4
6/20 11:50	27.5	↓-1.3
6/20 12:00	26.5	↓-1.0
6/20 12:10	25.5	↓-1.0
6/20 12:20	24.8	↓-0.7
6/20 12:30	24.2	↓-0.6
6/20 12:40	23.8	↓-0.4
6/20 12:50	23.5	↓-0.3
6/20 13:00	23.5	0	干潮
6/20 13:10	23.5	0
6/20 13:20	23.8	↑0.3
6/20 13:30	24.2	↑0.4
6/20 13:40	24.7	↑0.5
6/20 13:50	25.4	↑0.7
6/20 14:00	26.2	↑0.8
6/20 14:10	27.1	↑0.9
6/20 14:20	28.1	↑1.0
6/20 14:30	29.2	↑1.1
6/20 14:40	30.4	↑1.2
6/20 14:50	31.7	↑1.3
6/20 15:00	33.0	↑1.3
6/20 15:10	34.4	↑1.4
6/20 15:20	35.9	↑1.5
6/20 15:30	37.3	↑1.4
6/20 15:40	38.8	↑1.5
6/20 15:50	40.3	↑1.5
6/20 16:00	41.8	↑1.5
6/20 16:10	43.3	↑1.5
6/20 16:20	44.8	↑1.5
6/20 16:30	46.2	↑1.4
6/20 16:40	47.6	↑1.4
6/20 16:50	48.9	↑1.3
6/20 17:00	50.2	↑1.3
6/20 17:10	51.4	↑1.2
6/20 17:20	52.5	↑1.1
6/20 17:30	53.5	↑1.0
6/20 17:40	54.5	↑1.0
6/20 17:50	55.4	↑0.9
6/20 18:00	56.1	↑0.7
6/20 18:10	56.8	↑0.7
6/20 18:20	57.4	↑0.6
6/20 18:30	57.9	↑0.5
6/20 18:40	58.3	↑0.4
6/20 18:50	58.6	↑0.3
6/20 19:00	58.8	↑0.2
6/20 19:10	58.9	↑0.1	満潮
6/20 19:20	58.9	0
6/20 19:30	58.8	↓-0.1
6/20 19:40	58.7	↓-0.1
6/20 19:50	58.5	↓-0.2
6/20 20:00	58.2	↓-0.3
6/20 20:10	57.9	↓-0.3
6/20 20:20	57.5	↓-0.4
6/20 20:30	57.1	↓-0.4
6/20 20:40	56.6	↓-0.5
6/20 20:50	56.1	↓-0.5
6/20 21:00	55.6	↓-0.5
6/20 21:10	55.1	↓-0.5
6/20 21:20	54.6	↓-0.5
6/20 21:30	54.1	↓-0.5
6/20 21:40	53.7	↓-0.4
6/20 21:50	53.2	↓-0.5
6/20 22:00	52.8	↓-0.4
6/20 22:10	52.5	↓-0.3
6/20 22:20	52.2	↓-0.3
6/20 22:30	52.0	↓-0.2
6/20 22:40	51.8	↓-0.2
6/20 22:50	51.7	↓-0.1	干潮
6/20 23:00	51.7	0
6/20 23:10	51.8	↑0.1
6/20 23:20	52.0	↑0.2
6/20 23:30	52.3	↑0.3
6/20 23:40	52.7	↑0.4
6/20 23:50	53.2	↑0.5