20 (月)	19:45	03:26	-	-
	104cm	37cm	-	-
小潮 出 05:06 入 17:23 出 23:13 入 13:31

コイセボイ（北海道）2049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	57.4	↓-2.0	最大潮位差
9/20 00:10	55.5	↓-1.9
9/20 00:20	53.6	↓-1.9
9/20 00:30	51.9	↓-1.7
9/20 00:40	50.2	↓-1.7
9/20 00:50	48.6	↓-1.6
9/20 01:00	47.1	↓-1.5
9/20 01:10	45.7	↓-1.4
9/20 01:20	44.4	↓-1.3
9/20 01:30	43.2	↓-1.2
9/20 01:40	42.1	↓-1.1
9/20 01:50	41.1	↓-1.0
9/20 02:00	40.3	↓-0.8
9/20 02:10	39.5	↓-0.8
9/20 02:20	38.8	↓-0.7
9/20 02:30	38.3	↓-0.5
9/20 02:40	37.8	↓-0.5
9/20 02:50	37.4	↓-0.4
9/20 03:00	37.2	↓-0.2
9/20 03:10	37.0	↓-0.2
9/20 03:20	36.9	↓-0.1	干潮
9/20 03:30	36.9	0
9/20 03:40	37.0	↑0.1
9/20 03:50	37.1	↑0.1
9/20 04:00	37.4	↑0.3
9/20 04:10	37.6	↑0.2
9/20 04:20	38.0	↑0.4
9/20 04:30	38.4	↑0.4
9/20 04:40	38.8	↑0.4
9/20 04:50	39.3	↑0.5
9/20 05:00	39.8	↑0.5
9/20 05:10	40.4	↑0.6
9/20 05:20	40.9	↑0.5
9/20 05:30	41.5	↑0.6
9/20 05:40	42.1	↑0.6
9/20 05:50	42.7	↑0.6
9/20 06:00	43.3	↑0.6
9/20 06:10	43.9	↑0.6
9/20 06:20	44.5	↑0.6
9/20 06:30	45.1	↑0.6
9/20 06:40	45.6	↑0.5
9/20 06:50	46.2	↑0.6
9/20 07:00	46.7	↑0.5
9/20 07:10	47.2	↑0.5
9/20 07:20	47.7	↑0.5
9/20 07:30	48.1	↑0.4
9/20 07:40	48.5	↑0.4
9/20 07:50	48.9	↑0.4
9/20 08:00	49.3	↑0.4
9/20 08:10	49.6	↑0.3
9/20 08:20	49.9	↑0.3
9/20 08:30	50.2	↑0.3
9/20 08:40	50.4	↑0.2
9/20 08:50	50.6	↑0.2
9/20 09:00	50.8	↑0.2
9/20 09:10	51.0	↑0.2
9/20 09:20	51.2	↑0.2
9/20 09:30	51.3	↑0.1
9/20 09:40	51.5	↑0.2
9/20 09:50	51.6	↑0.1
9/20 10:00	51.7	↑0.1
9/20 10:10	51.9	↑0.2
9/20 10:20	52.0	↑0.1
9/20 10:30	52.2	↑0.2
9/20 10:40	52.4	↑0.2
9/20 10:50	52.5	↑0.1
9/20 11:00	52.8	↑0.3
9/20 11:10	53.0	↑0.2
9/20 11:20	53.3	↑0.3
9/20 11:30	53.6	↑0.3
9/20 11:40	54.0	↑0.4
9/20 11:50	54.4	↑0.4
9/20 12:00	54.8	↑0.4
9/20 12:10	55.3	↑0.5
9/20 12:20	55.9	↑0.6
9/20 12:30	56.5	↑0.6
9/20 12:40	57.1	↑0.6
9/20 12:50	57.9	↑0.8
9/20 13:00	58.6	↑0.7
9/20 13:10	59.5	↑0.9
9/20 13:20	60.4	↑0.9
9/20 13:30	61.3	↑0.9
9/20 13:40	62.4	↑1.1
9/20 13:50	63.4	↑1.0
9/20 14:00	64.6	↑1.2
9/20 14:10	65.8	↑1.2
9/20 14:20	67.0	↑1.2
9/20 14:30	68.3	↑1.3
9/20 14:40	69.7	↑1.4
9/20 14:50	71.0	↑1.3
9/20 15:00	72.4	↑1.4
9/20 15:10	73.9	↑1.5
9/20 15:20	75.4	↑1.5
9/20 15:30	76.9	↑1.5
9/20 15:40	78.4	↑1.5
9/20 15:50	79.9	↑1.5
9/20 16:00	81.4	↑1.5
9/20 16:10	83.0	↑1.6
9/20 16:20	84.5	↑1.5
9/20 16:30	86.0	↑1.5
9/20 16:40	87.5	↑1.5
9/20 16:50	88.9	↑1.4
9/20 17:00	90.4	↑1.5
9/20 17:10	91.8	↑1.4
9/20 17:20	93.1	↑1.3
9/20 17:30	94.4	↑1.3
9/20 17:40	95.6	↑1.2
9/20 17:50	96.7	↑1.1
9/20 18:00	97.8	↑1.1
9/20 18:10	98.8	↑1.0
9/20 18:20	99.7	↑0.9
9/20 18:30	100.6	↑0.9
9/20 18:40	101.3	↑0.7
9/20 18:50	101.9	↑0.6
9/20 19:00	102.5	↑0.6
9/20 19:10	102.9	↑0.4
9/20 19:20	103.2	↑0.3
9/20 19:30	103.4	↑0.2
9/20 19:40	103.6	↑0.2	満潮
9/20 19:50	103.5	↓-0.1
9/20 20:00	103.4	↓-0.1
9/20 20:10	103.2	↓-0.2
9/20 20:20	102.8	↓-0.4
9/20 20:30	102.4	↓-0.4
9/20 20:40	101.8	↓-0.6
9/20 20:50	101.1	↓-0.7
9/20 21:00	100.3	↓-0.8
9/20 21:10	99.4	↓-0.9
9/20 21:20	98.4	↓-1.0
9/20 21:30	97.3	↓-1.1
9/20 21:40	96.1	↓-1.2
9/20 21:50	94.8	↓-1.3
9/20 22:00	93.5	↓-1.3
9/20 22:10	92.0	↓-1.5
9/20 22:20	90.5	↓-1.5
9/20 22:30	88.9	↓-1.6
9/20 22:40	87.2	↓-1.7
9/20 22:50	85.5	↓-1.7
9/20 23:00	83.8	↓-1.7
9/20 23:10	82.0	↓-1.8
9/20 23:20	80.1	↓-1.9
9/20 23:30	78.3	↓-1.8
9/20 23:40	76.4	↓-1.9
9/20 23:50	74.5	↓-1.9