20 (水)	23:38	08:05	-	-
	115cm	24cm	-	-
中潮 出 04:31 入 18:19 出 00:22 入 16:52 潮干狩り ○ 07:18～08:53

コイセボイ（北海道）2025年08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
8/20 00:00	106.1	↓-1.1
8/20 00:10	104.8	↓-1.3
8/20 00:20	103.4	↓-1.4
8/20 00:30	101.9	↓-1.5
8/20 00:40	100.3	↓-1.6
8/20 00:50	98.6	↓-1.7
8/20 01:00	96.8	↓-1.8
8/20 01:10	94.9	↓-1.9
8/20 01:20	92.9	↓-2.0
8/20 01:30	90.8	↓-2.1
8/20 01:40	88.7	↓-2.1
8/20 01:50	86.5	↓-2.2
8/20 02:00	84.3	↓-2.2
8/20 02:10	82.0	↓-2.3
8/20 02:20	79.6	↓-2.4
8/20 02:30	77.3	↓-2.3
8/20 02:40	74.8	↓-2.5	最大潮位差
8/20 02:50	72.4	↓-2.4
8/20 03:00	70.0	↓-2.4
8/20 03:10	67.5	↓-2.5	最大潮位差
8/20 03:20	65.0	↓-2.5	最大潮位差
8/20 03:30	62.6	↓-2.4
8/20 03:40	60.2	↓-2.4
8/20 03:50	57.8	↓-2.4
8/20 04:00	55.4	↓-2.4
8/20 04:10	53.1	↓-2.3
8/20 04:20	50.8	↓-2.3
8/20 04:30	48.5	↓-2.3
8/20 04:40	46.4	↓-2.1
8/20 04:50	44.3	↓-2.1
8/20 05:00	42.2	↓-2.1
8/20 05:10	40.3	↓-1.9
8/20 05:20	38.4	↓-1.9
8/20 05:30	36.7	↓-1.7
8/20 05:40	35.0	↓-1.7
8/20 05:50	33.4	↓-1.6
8/20 06:00	32.0	↓-1.4
8/20 06:10	30.6	↓-1.4
8/20 06:20	29.4	↓-1.2
8/20 06:30	28.2	↓-1.2
8/20 06:40	27.2	↓-1.0
8/20 06:50	26.3	↓-0.9
8/20 07:00	25.5	↓-0.8
8/20 07:10	24.9	↓-0.6
8/20 07:20	24.3	↓-0.6
8/20 07:30	23.9	↓-0.4
8/20 07:40	23.6	↓-0.3
8/20 07:50	23.4	↓-0.2
8/20 08:00	23.3	↓-0.1	干潮
8/20 08:10	23.3	0
8/20 08:20	23.4	↑0.1
8/20 08:30	23.6	↑0.2
8/20 08:40	23.9	↑0.3
8/20 08:50	24.4	↑0.5
8/20 09:00	24.9	↑0.5
8/20 09:10	25.4	↑0.5
8/20 09:20	26.1	↑0.7
8/20 09:30	26.8	↑0.7
8/20 09:40	27.7	↑0.9
8/20 09:50	28.5	↑0.8
8/20 10:00	29.5	↑1.0
8/20 10:10	30.4	↑0.9
8/20 10:20	31.5	↑1.1
8/20 10:30	32.5	↑1.0
8/20 10:40	33.6	↑1.1
8/20 10:50	34.8	↑1.2
8/20 11:00	35.9	↑1.1
8/20 11:10	37.1	↑1.2
8/20 11:20	38.3	↑1.2
8/20 11:30	39.5	↑1.2
8/20 11:40	40.7	↑1.2
8/20 11:50	41.9	↑1.2
8/20 12:00	43.1	↑1.2
8/20 12:10	44.3	↑1.2
8/20 12:20	45.5	↑1.2
8/20 12:30	46.7	↑1.2
8/20 12:40	47.8	↑1.1
8/20 12:50	49.0	↑1.2
8/20 13:00	50.1	↑1.1
8/20 13:10	51.2	↑1.1
8/20 13:20	52.2	↑1.0
8/20 13:30	53.3	↑1.1
8/20 13:40	54.3	↑1.0
8/20 13:50	55.3	↑1.0
8/20 14:00	56.3	↑1.0
8/20 14:10	57.2	↑0.9
8/20 14:20	58.2	↑1.0
8/20 14:30	59.1	↑0.9
8/20 14:40	60.0	↑0.9
8/20 14:50	60.9	↑0.9
8/20 15:00	61.7	↑0.8
8/20 15:10	62.6	↑0.9
8/20 15:20	63.4	↑0.8
8/20 15:30	64.3	↑0.9
8/20 15:40	65.1	↑0.8
8/20 15:50	66.0	↑0.9
8/20 16:00	66.8	↑0.8
8/20 16:10	67.7	↑0.9
8/20 16:20	68.5	↑0.8
8/20 16:30	69.4	↑0.9
8/20 16:40	70.3	↑0.9
8/20 16:50	71.2	↑0.9
8/20 17:00	72.2	↑1.0
8/20 17:10	73.1	↑0.9
8/20 17:20	74.1	↑1.0
8/20 17:30	75.1	↑1.0
8/20 17:40	76.2	↑1.1
8/20 17:50	77.3	↑1.1
8/20 18:00	78.4	↑1.1
8/20 18:10	79.5	↑1.1
8/20 18:20	80.7	↑1.2
8/20 18:30	81.9	↑1.2
8/20 18:40	83.1	↑1.2
8/20 18:50	84.4	↑1.3
8/20 19:00	85.7	↑1.3
8/20 19:10	87.0	↑1.3
8/20 19:20	88.3	↑1.3
8/20 19:30	89.7	↑1.4
8/20 19:40	91.1	↑1.4
8/20 19:50	92.5	↑1.4
8/20 20:00	93.9	↑1.4
8/20 20:10	95.3	↑1.4
8/20 20:20	96.7	↑1.4
8/20 20:30	98.1	↑1.4
8/20 20:40	99.5	↑1.4
8/20 20:50	100.8	↑1.3
8/20 21:00	102.2	↑1.4
8/20 21:10	103.5	↑1.3
8/20 21:20	104.7	↑1.2
8/20 21:30	105.9	↑1.2
8/20 21:40	107.1	↑1.2
8/20 21:50	108.2	↑1.1
8/20 22:00	109.3	↑1.1
8/20 22:10	110.2	↑0.9
8/20 22:20	111.1	↑0.9
8/20 22:30	111.9	↑0.8
8/20 22:40	112.6	↑0.7
8/20 22:50	113.2	↑0.6
8/20 23:00	113.7	↑0.5
8/20 23:10	114.1	↑0.4
8/20 23:20	114.4	↑0.3
8/20 23:30	114.5	↑0.1	満潮
8/20 23:40	114.5	0
8/20 23:50	114.4	↓-0.1