20 (土)	00:49	08:33	14:41	19:02
	105cm	32cm	67cm	54cm
大潮 出 05:06 入 17:24 出 03:04 入 16:43

コイセボイ（北海道）2025年09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
9/20 00:00	103.2	↑0.8
9/20 00:10	103.8	↑0.6
9/20 00:20	104.3	↑0.5
9/20 00:30	104.6	↑0.3
9/20 00:40	104.8	↑0.2	満潮
9/20 00:50	104.8	0
9/20 01:00	104.7	↓-0.1
9/20 01:10	104.5	↓-0.2
9/20 01:20	104.1	↓-0.4
9/20 01:30	103.5	↓-0.6
9/20 01:40	102.8	↓-0.7
9/20 01:50	101.9	↓-0.9
9/20 02:00	100.8	↓-1.1
9/20 02:10	99.6	↓-1.2
9/20 02:20	98.3	↓-1.3
9/20 02:30	96.8	↓-1.5
9/20 02:40	95.2	↓-1.6
9/20 02:50	93.5	↓-1.7
9/20 03:00	91.6	↓-1.9
9/20 03:10	89.6	↓-2.0
9/20 03:20	87.5	↓-2.1
9/20 03:30	85.3	↓-2.2
9/20 03:40	83.1	↓-2.2
9/20 03:50	80.7	↓-2.4
9/20 04:00	78.3	↓-2.4
9/20 04:10	75.9	↓-2.4
9/20 04:20	73.4	↓-2.5
9/20 04:30	70.8	↓-2.6	最大潮位差
9/20 04:40	68.3	↓-2.5
9/20 04:50	65.8	↓-2.5
9/20 05:00	63.2	↓-2.6	最大潮位差
9/20 05:10	60.7	↓-2.5
9/20 05:20	58.2	↓-2.5
9/20 05:30	55.8	↓-2.4
9/20 05:40	53.5	↓-2.3
9/20 05:50	51.2	↓-2.3
9/20 06:00	49.0	↓-2.2
9/20 06:10	46.8	↓-2.2
9/20 06:20	44.8	↓-2.0
9/20 06:30	42.9	↓-1.9
9/20 06:40	41.2	↓-1.7
9/20 06:50	39.5	↓-1.7
9/20 07:00	38.0	↓-1.5
9/20 07:10	36.6	↓-1.4
9/20 07:20	35.4	↓-1.2
9/20 07:30	34.3	↓-1.1
9/20 07:40	33.4	↓-0.9
9/20 07:50	32.7	↓-0.7
9/20 08:00	32.1	↓-0.6
9/20 08:10	31.7	↓-0.4
9/20 08:20	31.4	↓-0.3
9/20 08:30	31.3	↓-0.1	干潮
9/20 08:40	31.3	0
9/20 08:50	31.5	↑0.2
9/20 09:00	31.9	↑0.4
9/20 09:10	32.3	↑0.4
9/20 09:20	33.0	↑0.7
9/20 09:30	33.7	↑0.7
9/20 09:40	34.6	↑0.9
9/20 09:50	35.6	↑1.0
9/20 10:00	36.7	↑1.1
9/20 10:10	37.8	↑1.1
9/20 10:20	39.1	↑1.3
9/20 10:30	40.4	↑1.3
9/20 10:40	41.8	↑1.4
9/20 10:50	43.3	↑1.5
9/20 11:00	44.7	↑1.4
9/20 11:10	46.3	↑1.6
9/20 11:20	47.8	↑1.5
9/20 11:30	49.3	↑1.5
9/20 11:40	50.8	↑1.5
9/20 11:50	52.3	↑1.5
9/20 12:00	53.8	↑1.5
9/20 12:10	55.2	↑1.4
9/20 12:20	56.6	↑1.4
9/20 12:30	58.0	↑1.4
9/20 12:40	59.2	↑1.2
9/20 12:50	60.4	↑1.2
9/20 13:00	61.5	↑1.1
9/20 13:10	62.5	↑1.0
9/20 13:20	63.4	↑0.9
9/20 13:30	64.2	↑0.8
9/20 13:40	64.9	↑0.7
9/20 13:50	65.5	↑0.6
9/20 14:00	66.0	↑0.5
9/20 14:10	66.4	↑0.4
9/20 14:20	66.7	↑0.3
9/20 14:30	66.8	↑0.1
9/20 14:40	66.9	↑0.1	満潮
9/20 14:50	66.8	↓-0.1
9/20 15:00	66.7	↓-0.1
9/20 15:10	66.4	↓-0.3
9/20 15:20	66.1	↓-0.3
9/20 15:30	65.6	↓-0.5
9/20 15:40	65.1	↓-0.5
9/20 15:50	64.5	↓-0.6
9/20 16:00	63.9	↓-0.6
9/20 16:10	63.2	↓-0.7
9/20 16:20	62.5	↓-0.7
9/20 16:30	61.7	↓-0.8
9/20 16:40	60.9	↓-0.8
9/20 16:50	60.1	↓-0.8
9/20 17:00	59.3	↓-0.8
9/20 17:10	58.5	↓-0.8
9/20 17:20	57.7	↓-0.8
9/20 17:30	56.9	↓-0.8
9/20 17:40	56.2	↓-0.7
9/20 17:50	55.5	↓-0.7
9/20 18:00	54.9	↓-0.6
9/20 18:10	54.4	↓-0.5
9/20 18:20	53.9	↓-0.5
9/20 18:30	53.6	↓-0.3
9/20 18:40	53.3	↓-0.3
9/20 18:50	53.1	↓-0.2
9/20 19:00	53.0	↓-0.1	干潮
9/20 19:10	53.1	↑0.1
9/20 19:20	53.3	↑0.2
9/20 19:30	53.6	↑0.3
9/20 19:40	54.0	↑0.4
9/20 19:50	54.5	↑0.5
9/20 20:00	55.2	↑0.7
9/20 20:10	56.0	↑0.8
9/20 20:20	56.9	↑0.9
9/20 20:30	58.0	↑1.1
9/20 20:40	59.2	↑1.2
9/20 20:50	60.4	↑1.2
9/20 21:00	61.8	↑1.4
9/20 21:10	63.4	↑1.6
9/20 21:20	65.0	↑1.6
9/20 21:30	66.7	↑1.7
9/20 21:40	68.4	↑1.7
9/20 21:50	70.3	↑1.9
9/20 22:00	72.2	↑1.9
9/20 22:10	74.1	↑1.9
9/20 22:20	76.1	↑2.0
9/20 22:30	78.2	↑2.1
9/20 22:40	80.2	↑2.0
9/20 22:50	82.2	↑2.0
9/20 23:00	84.3	↑2.1
9/20 23:10	86.3	↑2.0
9/20 23:20	88.2	↑1.9
9/20 23:30	90.1	↑1.9
9/20 23:40	92.0	↑1.9
9/20 23:50	93.7	↑1.7