1 (月)	02:47	08:38	15:11	21:22
	73cm	29cm	93cm	38cm
大潮 出 05:03 入 17:49 出 05:20 入 17:59

コイセボイ（北海道）2041年04月1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
4/1 00:00	53.5	↑1.8
4/1 00:10	55.4	↑1.9
4/1 00:20	57.2	↑1.8
4/1 00:30	59.0	↑1.8
4/1 00:40	60.7	↑1.7
4/1 00:50	62.3	↑1.6
4/1 01:00	63.9	↑1.6
4/1 01:10	65.4	↑1.5
4/1 01:20	66.8	↑1.4
4/1 01:30	68.0	↑1.2
4/1 01:40	69.1	↑1.1
4/1 01:50	70.1	↑1.0
4/1 02:00	70.9	↑0.8
4/1 02:10	71.6	↑0.7
4/1 02:20	72.1	↑0.5
4/1 02:30	72.5	↑0.4
4/1 02:40	72.6	↑0.1	満潮
4/1 02:50	72.6	0
4/1 03:00	72.5	↓-0.1
4/1 03:10	72.2	↓-0.3
4/1 03:20	71.7	↓-0.5
4/1 03:30	71.0	↓-0.7
4/1 03:40	70.2	↓-0.8
4/1 03:50	69.2	↓-1.0
4/1 04:00	68.1	↓-1.1
4/1 04:10	66.8	↓-1.3
4/1 04:20	65.4	↓-1.4
4/1 04:30	63.9	↓-1.5
4/1 04:40	62.3	↓-1.6
4/1 04:50	60.6	↓-1.7
4/1 05:00	58.8	↓-1.8
4/1 05:10	57.0	↓-1.8
4/1 05:20	55.1	↓-1.9
4/1 05:30	53.1	↓-2.0
4/1 05:40	51.2	↓-1.9
4/1 05:50	49.2	↓-2.0
4/1 06:00	47.2	↓-2.0
4/1 06:10	45.3	↓-1.9
4/1 06:20	43.4	↓-1.9
4/1 06:30	41.5	↓-1.9
4/1 06:40	39.7	↓-1.8
4/1 06:50	38.0	↓-1.7
4/1 07:00	36.4	↓-1.6
4/1 07:10	35.0	↓-1.4
4/1 07:20	33.6	↓-1.4
4/1 07:30	32.4	↓-1.2
4/1 07:40	31.3	↓-1.1
4/1 07:50	30.4	↓-0.9
4/1 08:00	29.6	↓-0.8
4/1 08:10	29.0	↓-0.6
4/1 08:20	28.6	↓-0.4
4/1 08:30	28.4	↓-0.2	干潮
4/1 08:40	28.4	0
4/1 08:50	28.5	↑0.1
4/1 09:00	28.9	↑0.4
4/1 09:10	29.4	↑0.5
4/1 09:20	30.2	↑0.8
4/1 09:30	31.1	↑0.9
4/1 09:40	32.2	↑1.1
4/1 09:50	33.5	↑1.3
4/1 10:00	34.9	↑1.4
4/1 10:10	36.6	↑1.7
4/1 10:20	38.3	↑1.7
4/1 10:30	40.2	↑1.9
4/1 10:40	42.3	↑2.1
4/1 10:50	44.4	↑2.1
4/1 11:00	46.7	↑2.3
4/1 11:10	49.0	↑2.3
4/1 11:20	51.4	↑2.4
4/1 11:30	53.9	↑2.5
4/1 11:40	56.5	↑2.6	最大潮位差
4/1 11:50	59.0	↑2.5
4/1 12:00	61.6	↑2.6	最大潮位差
4/1 12:10	64.1	↑2.5
4/1 12:20	66.6	↑2.5
4/1 12:30	69.1	↑2.5
4/1 12:40	71.6	↑2.5
4/1 12:50	73.9	↑2.3
4/1 13:00	76.2	↑2.3
4/1 13:10	78.4	↑2.2
4/1 13:20	80.4	↑2.0
4/1 13:30	82.3	↑1.9
4/1 13:40	84.1	↑1.8
4/1 13:50	85.7	↑1.6
4/1 14:00	87.2	↑1.5
4/1 14:10	88.5	↑1.3
4/1 14:20	89.6	↑1.1
4/1 14:30	90.5	↑0.9
4/1 14:40	91.2	↑0.7
4/1 14:50	91.7	↑0.5
4/1 15:00	92.0	↑0.3
4/1 15:10	92.1	↑0.1	満潮
4/1 15:20	92.0	↓-0.1
4/1 15:30	91.7	↓-0.3
4/1 15:40	91.2	↓-0.5
4/1 15:50	90.5	↓-0.7
4/1 16:00	89.6	↓-0.9
4/1 16:10	88.6	↓-1.0
4/1 16:20	87.3	↓-1.3
4/1 16:30	85.9	↓-1.4
4/1 16:40	84.4	↓-1.5
4/1 16:50	82.7	↓-1.7
4/1 17:00	80.8	↓-1.9
4/1 17:10	78.9	↓-1.9
4/1 17:20	76.8	↓-2.1
4/1 17:30	74.7	↓-2.1
4/1 17:40	72.5	↓-2.2
4/1 17:50	70.2	↓-2.3
4/1 18:00	67.9	↓-2.3
4/1 18:10	65.6	↓-2.3
4/1 18:20	63.3	↓-2.3
4/1 18:30	61.0	↓-2.3
4/1 18:40	58.7	↓-2.3
4/1 18:50	56.4	↓-2.3
4/1 19:00	54.2	↓-2.2
4/1 19:10	52.1	↓-2.1
4/1 19:20	50.1	↓-2.0
4/1 19:30	48.2	↓-1.9
4/1 19:40	46.4	↓-1.8
4/1 19:50	44.7	↓-1.7
4/1 20:00	43.2	↓-1.5
4/1 20:10	41.9	↓-1.3
4/1 20:20	40.7	↓-1.2
4/1 20:30	39.6	↓-1.1
4/1 20:40	38.8	↓-0.8
4/1 20:50	38.1	↓-0.7
4/1 21:00	37.6	↓-0.5
4/1 21:10	37.3	↓-0.3
4/1 21:20	37.2	↓-0.1	干潮
4/1 21:30	37.2	0
4/1 21:40	37.5	↑0.3
4/1 21:50	37.9	↑0.4
4/1 22:00	38.6	↑0.7
4/1 22:10	39.4	↑0.8
4/1 22:20	40.3	↑0.9
4/1 22:30	41.4	↑1.1
4/1 22:40	42.7	↑1.3
4/1 22:50	44.1	↑1.4
4/1 23:00	45.7	↑1.6
4/1 23:10	47.3	↑1.6
4/1 23:20	49.0	↑1.7
4/1 23:30	50.9	↑1.9
4/1 23:40	52.8	↑1.9
4/1 23:50	54.7	↑1.9