20 (金)	06:38	16:46	-	-
	103cm	37cm	-	-
長潮 出 04:58 入 18:17 出 11:12 入 01:19

大洗（茨城）2040年04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
4/20 00:00	95.4	↑0.2
4/20 00:10	95.6	↑0.2
4/20 00:20	95.8	↑0.2
4/20 00:30	96.0	↑0.2
4/20 00:40	96.2	↑0.2
4/20 00:50	96.3	↑0.1
4/20 01:00	96.4	↑0.1
4/20 01:10	96.6	↑0.2
4/20 01:20	96.7	↑0.1
4/20 01:30	96.8	↑0.1
4/20 01:40	96.9	↑0.1
4/20 01:50	97.0	↑0.1
4/20 02:00	97.1	↑0.1
4/20 02:10	97.3	↑0.2
4/20 02:20	97.4	↑0.1
4/20 02:30	97.5	↑0.1
4/20 02:40	97.6	↑0.1
4/20 02:50	97.7	↑0.1
4/20 03:00	97.8	↑0.1
4/20 03:10	98.0	↑0.2
4/20 03:20	98.1	↑0.1
4/20 03:30	98.3	↑0.2
4/20 03:40	98.5	↑0.2
4/20 03:50	98.7	↑0.2
4/20 04:00	98.9	↑0.2
4/20 04:10	99.1	↑0.2
4/20 04:20	99.4	↑0.3
4/20 04:30	99.7	↑0.3
4/20 04:40	99.9	↑0.2
4/20 04:50	100.2	↑0.3
4/20 05:00	100.5	↑0.3
4/20 05:10	100.8	↑0.3
4/20 05:20	101.1	↑0.3
4/20 05:30	101.3	↑0.2
4/20 05:40	101.6	↑0.3
4/20 05:50	101.8	↑0.2
4/20 06:00	102.0	↑0.2
4/20 06:10	102.1	↑0.1
4/20 06:20	102.2	↑0.1
4/20 06:30	102.3	↑0.1	満潮
4/20 06:40	102.3	0
4/20 06:50	102.2	↓-0.1
4/20 07:00	102.1	↓-0.1
4/20 07:10	102.0	↓-0.1
4/20 07:20	101.8	↓-0.2
4/20 07:30	101.5	↓-0.3
4/20 07:40	101.1	↓-0.4
4/20 07:50	100.7	↓-0.4
4/20 08:00	100.3	↓-0.4
4/20 08:10	99.7	↓-0.6
4/20 08:20	99.1	↓-0.6
4/20 08:30	98.5	↓-0.6
4/20 08:40	97.8	↓-0.7
4/20 08:50	97.0	↓-0.8
4/20 09:00	96.1	↓-0.9
4/20 09:10	95.2	↓-0.9
4/20 09:20	94.2	↓-1.0
4/20 09:30	93.2	↓-1.0
4/20 09:40	92.1	↓-1.1
4/20 09:50	90.9	↓-1.2
4/20 10:00	89.7	↓-1.2
4/20 10:10	88.4	↓-1.3
4/20 10:20	87.0	↓-1.4
4/20 10:30	85.7	↓-1.3
4/20 10:40	84.2	↓-1.5
4/20 10:50	82.7	↓-1.5
4/20 11:00	81.2	↓-1.5
4/20 11:10	79.7	↓-1.5
4/20 11:20	78.1	↓-1.6
4/20 11:30	76.5	↓-1.6
4/20 11:40	74.8	↓-1.7
4/20 11:50	73.2	↓-1.6
4/20 12:00	71.5	↓-1.7
4/20 12:10	69.8	↓-1.7
4/20 12:20	68.2	↓-1.6
4/20 12:30	66.5	↓-1.7
4/20 12:40	64.8	↓-1.7
4/20 12:50	63.1	↓-1.7
4/20 13:00	61.5	↓-1.6
4/20 13:10	59.8	↓-1.7
4/20 13:20	58.2	↓-1.6
4/20 13:30	56.5	↓-1.7
4/20 13:40	54.9	↓-1.6
4/20 13:50	53.3	↓-1.6
4/20 14:00	51.7	↓-1.6
4/20 14:10	50.2	↓-1.5
4/20 14:20	48.7	↓-1.5
4/20 14:30	47.2	↓-1.5
4/20 14:40	45.8	↓-1.4
4/20 14:50	44.5	↓-1.3
4/20 15:00	43.2	↓-1.3
4/20 15:10	42.0	↓-1.2
4/20 15:20	40.9	↓-1.1
4/20 15:30	39.9	↓-1.0
4/20 15:40	39.0	↓-0.9
4/20 15:50	38.2	↓-0.8
4/20 16:00	37.5	↓-0.7
4/20 16:10	36.9	↓-0.6
4/20 16:20	36.5	↓-0.4
4/20 16:30	36.2	↓-0.3
4/20 16:40	36.1	↓-0.1	干潮
4/20 16:50	36.1	0
4/20 17:00	36.2	↑0.1
4/20 17:10	36.5	↑0.3
4/20 17:20	36.9	↑0.4
4/20 17:30	37.5	↑0.6
4/20 17:40	38.2	↑0.7
4/20 17:50	39.1	↑0.9
4/20 18:00	40.0	↑0.9
4/20 18:10	41.1	↑1.1
4/20 18:20	42.3	↑1.2
4/20 18:30	43.6	↑1.3
4/20 18:40	45.0	↑1.4
4/20 18:50	46.5	↑1.5
4/20 19:00	48.1	↑1.6
4/20 19:10	49.8	↑1.7
4/20 19:20	51.5	↑1.7
4/20 19:30	53.3	↑1.8
4/20 19:40	55.1	↑1.8
4/20 19:50	57.0	↑1.9
4/20 20:00	58.9	↑1.9
4/20 20:10	60.9	↑2.0	最大潮位差
4/20 20:20	62.8	↑1.9
4/20 20:30	64.8	↑2.0	最大潮位差
4/20 20:40	66.7	↑1.9
4/20 20:50	68.7	↑2.0	最大潮位差
4/20 21:00	70.6	↑1.9
4/20 21:10	72.5	↑1.9
4/20 21:20	74.4	↑1.9
4/20 21:30	76.3	↑1.9
4/20 21:40	78.1	↑1.8
4/20 21:50	79.8	↑1.7
4/20 22:00	81.5	↑1.7
4/20 22:10	83.1	↑1.6
4/20 22:20	84.6	↑1.5
4/20 22:30	86.1	↑1.5
4/20 22:40	87.5	↑1.4
4/20 22:50	88.8	↑1.3
4/20 23:00	90.1	↑1.3
4/20 23:10	91.2	↑1.1
4/20 23:20	92.3	↑1.1
4/20 23:30	93.4	↑1.1
4/20 23:40	94.3	↑0.9
4/20 23:50	95.2	↑0.9